<html>
<body>
<p>
Each table starts with a table tag.
Each table row starts with a tr tag.
Each table data starts with a td tag.
</p>
<h4>One column:</h4>
<table border="1">
<tr>
<td>100</td>
</tr>
</table>
<h4>One row and three columns:</h4>
<table border="1">
<tr>
<td>100</td>
<td>200</td>
<td>300</td>
</tr>
</table>
<h4>Two rows and three columns:</h4>
<table border="1">
<tr>
<td>100</td>
<td>200</td>
<td>300</td>
</tr>
<tr>
<td>400</td>
<td>500</td>
<td>600</td>
</tr>
</table>
</body>
</html>