The product of two factors is 60. If one factor is multiplied by 5 while the other remains unchanged, what is the product?
两个因数的积是60，如果一个因数扩大5倍，另一个因数不变，积是多少．
<gadget id="calculator">60 * 5</gadget>
<output>300</output>

<result>300</result>