:algebra, prealgebra, pre-algebra, number, arithmetic, integer,
gcd, greatest common divisor, greatest common factor,
common divisor, common factor,
lcm, least common multiple, common multiple

:datatype, arithmetic

:operation, gcd
operation, lcm

:
<input type="text" name="formula" size="25" maxlength="100" value="12,24,36"></td>
 <td align="right" valign="center" NOWRAP>
 Find
 $submit1
 $submit2

