The product of multiplying two numbers is 240, one factor remains unchanged, and the other factor is enlarged to 3 times, what is the product.
两个数相乘的积是240，一个因数不变，另一个因数扩大到它的3倍，积是多少．
<gadget id="calculator">240 * 3</gadget>
<output>720</output>

<result>720</result>