Somar campos do formulario

Boa noite, gostaria de sabe como faço para somar cada campos do formulario e mostrar no VOLUME TOTAL ?

<table id="form6">
<tr>
<th colspan="3">EMULSÕES LIPÍDICAS</th>
</tr>
<tr>
<td><label>TCL a 10%:</label></td>
<td><input name="tclA10" type="text" id="sprytrigger30" size="15" ></td>
<td><span>ml</span></td>
</tr>
<tr>
<td><label>TCL a 20%:</label> </td>
<td><input name="tclA20" type="text" id="sprytrigger31" size="15" ></td>
<td><span>ml</span></td>
</tr>
<tr>
<td><label>TCL / TCM a 10%:</label></td>
<td><input name="tcltcmA10" type="text" id="sprytrigger32" size="15" ></td>
<td><span>ml</span></td>
</tr>
<tr>
<td><label>TCL / TCM a 20%:</label></td>
<td><input name="tcltcmA20" type="text" id="sprytrigger33" size="15" ></td>
<td><span>ml</span></td>
</tr>
<tr>
<td><label>Emulsão de Óleo Soja + Peixe + Oliva a 20% (smof):</label></td>
<td><input name="emulsao" type="text" id="sprytrigger34" size="15" ></td>
<td><span>ml</span></td>
</tr>
</table>

<table id="form7">
<tr>
<th colspan="3">OUTROS COMPOSTOS</th>
</tr>
<tr>
<td><label>insulina Simples Regular 100UI/ml:</label></td>
<td><input name="insulinaSimples" type="text" id="sprytrigger35" size="15" ></td>
<td><span>UI</span></td>
</tr>
<tr>
<td><label>VOLUME TOTAL:</label> </td>
<td><input name="volumeTotal" type="text" id="sprytrigger36" size="15" ></td>
<td><span>ML</span></td>
</tr>
</table>

Obrigado Pela Ajuda..