<h2>Calculator</h2>
<p>Enter your numbers here:</p>
<form id="calculator">
<table>
<tr>
<td><input type="text" name="no1" /> +</td>
<td><input type="text" name="no2" /></td>
</tr>
<tr>
<td><input type="button" value="Add" /></td>
</tr>
</table>
</form>