The greatest common divisor of A and B is 6, and the least common multiple is 60. If A is 12, what is B?
甲和乙的最大公约数是6，最小公倍数是60，若甲为12，则乙是多少
<gadget id="calculator">6 * 5</gadget>
<output>30</output>

<result>30</result>