The greatest common factor of two numbers A and B is 6, and the least common multiple is 120. If the number A is 30, what is the number B?
甲、乙两数的最大公因数是6，最小公倍数是120，如果甲数是30，那么乙数是多少．
<gadget id="calculator">6 / 30</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">120 * (1/5)</gadget>
<output>24</output>

<result>24</result>