실시간 합계..... 문의 드려용..~~ 어려워요 어려워요! ㅜㅜ

<td colspan="2"><table width="100%" border="0" cellspacing="0" cellpadding="0"></td>   <tr>    <td class="write_head"><p align="center">비고</td>    <td class="write_head"><p align="center">비고2</td> <td class="write_head"><p align="center">비고3</td>    <td class="write_head"><p align="center">비고4</td>    <td class="write_head"><p align="center">비고5</td> </p>  </tr>   <tr>    <td class="write_head" style="width:30px"><p align="center">대</td>    <td class="write_head"><input type="number" style="width:100%; border:1px solid #cccccc; height:28px; padding:5px;" name=wr_1 id="wr_1" itemname="햇(대)"  value="<?=$write[wr_1]?>"></td>    <td class="write_head"><input type="number" style="width:100%; border:1px solid #cccccc; height:28px; padding:5px;" name=wr_2 id="wr_2" itemname="구(대)"  value="<?=$write[wr_2]?>"></td>    <td class="write_head"><input type="number" style="width:100%; border:1px solid #cccccc; height:28px; padding:5px;" name=wr_3 id="wr_3" itemname="sp(대)"  value="<?=$write[wr_3]?>"></td>    <td class="write_head"><input type="number" style="width:100%; border:1px solid #cccccc; height:28px; padding:5px;" name=wr_4 id="wr_4" itemname="수(대)"  value="<?=$write[wr_4]?>"></td>    </tr></table></td>       <tr><td colspan="2" class='write_line'></td></tr>                                <tr>           <td colspan="2"><table width="100%" border="0" cellspacing="0" cellpadding="0">  <tr>    <td class="write_head"style="width:30px"><p align="center">중</td>    <td class="write_head"><input type="number" style="width:100%; border:1px solid #cccccc; height:28px; padding:5px;" name=wr_5 id="wr_6" itemname="담당자"  value="<?=$write[wr_5]?>"></td> <td class="write_head"><input type="number" style="width:100%; border:1px solid #cccccc; height:28px; padding:5px;" name=wr_6 id="wr_7" itemname="담당자"  value="<?=$write[wr_6]?>"></td> <td class="write_head"><input type="number" style="width:100%; border:1px solid #cccccc; height:28px; padding:5px;" name=wr_7 id="wr_8" itemname="담당자"  value="<?=$write[wr_7]?>"></td>    <td class="write_head"><input type="number" style="width:100%; border:1px solid #cccccc; height:28px; padding:5px;" name=wr_8 id="wr_9" itemname="담당자"  value="<?=$write[wr_8]?>"></td>   </tr></table></td>  <tr><td colspan="2" class='write_line'></td></tr>                                <tr>           <td colspan="2"><table width="100%" border="0" cellspacing="0" cellpadding="0">  <tr>     <td class="write_head"style="width:30px"><p align="center">소</td>    <td class="write_head"><input type="number" style="width:100%; border:1px solid #cccccc; height:28px; padding:5px;" name=wr_9 id="wr_9" itemname="담당자"  value="<?=$write[wr_9]?>"></td> <td class="write_head"><input type="number" style="width:100%; border:1px solid #cccccc; height:28px; padding:5px;" name=wr_10 id="wr_10" itemname="담당자"  value="<?=$write[wr_10]?>"></td> <td class="write_head"><input type="number" style="width:100%; border:1px solid #cccccc; height:28px; padding:5px;" name=wr_11 id="wr_11" itemname="담당자"  value="<?=$write[wr_11]?>"></td>    <td class="write_head"><input type="number" style="width:100%; border:1px solid #cccccc; height:28px; padding:5px;" name=wr_12 id="wr_12" itemname="담당자"  value="<?=$write[wr_12]?>"></td>  </tr></table></td>             <tr><td colspan="2" class='write_line'></td></tr>                      <tr><td colspan="2" class='write_line'></td></tr>                                <tr>           <td colspan="2"><table width="100%" border="0" cellspacing="0" cellpadding="0">  <tr>     <td class="write_head"style="width:30px"><p align="center">파</td>    <td class="write_head"><input type="number" style="width:100%; border:1px solid #cccccc; height:28px; padding:5px;" name=wr_13 id="wr_13" itemname="담당자"  value="<?=$write[wr_13]?>"></td> <td class="write_head"><input type="number" style="width:100%; border:1px solid #cccccc; height:28px; padding:5px;" name=wr_14 id="wr_14" itemname="담당자"  value="<?=$write[wr_14]?>"></td> <td class="write_head"><input type="number" style="width:100%; border:1px solid #cccccc; height:28px; padding:5px;" name=wr_15 id="wr_15" itemname="담당자"  value="<?=$write[wr_15]?>"></td>    <td class="write_head"><input type="number" style="width:100%; border:1px solid #cccccc; height:28px; padding:5px;" name=wr_16 id="wr_16" itemname="담당자"  value="<?=$write[wr_16]?>"></td>  </tr></table></td> ​