<style>
td { width: 40px; height: 40px; border: solid thin blue; }
td:hover { background:lightgreen;}
span.teteje { font-size: 10pt }
span.alja { font-size: 14pt }
</style>


<table>
<?php
if (isset($_GET['a'])&&isset($_GET['b']))
  for ($i=1;$i<=$_GET['a'];$i++)
  {
    print "\n<tr>";
    for ($j=1;$j<=$_GET['b'];$j++)
      print "<td align=center><span class='teteje'>$i*$j</span><br><span class=alja>".$i*$j."</span>";
	// print "<td>$i*$j=".$i*$j;
  }
?>
</table>
<p>
<form method=get>
a=<input type=text name=a>
b=<input type=text name=b>
<input type=submit value="Muti">
</form>