The product of two factors is 120. If one of the factors is multiplied by 5 and the other remains unchanged, what should be the product?
两个因数的积是120，如果其中的一个因数乘5，另一个因数不变，这时积应该是多少．
<gadget id="calculator">120 * 5</gadget>
<output>600</output>

<result>600</result>