The greatest common factor of the number A and the number B is 12, the least common multiple is 72, the number A is 24, what is the number B.
甲数与乙数的最大公因数是12，最小公倍数是72，甲数是24，乙数是多少．
<gadget id="calculator">12 * 3</gadget>
<output>36</output>

<result>36</result>