A=2*2*3, B=2*C*5, the greatest common divisor of A and B is 6, then what is their least common multiple.
A=2*2*3，B=2*C*5，A和B的最大公约数是6，那么它们的最小公倍数是多少．
<gadget id="calculator">2 * 2 * 3 * 5</gadget>
<output>60</output>

<result>60</result>