When two numbers are multiplied, the product is 45. If one factor is multiplied by 2 and the other factor is multiplied by 6, what is the product?
两个数相乘，积是45，如果一个因数扩大2倍，另一个因数扩大6倍，那么积应是多少．
<gadget id="calculator">45 * 2 * 6</gadget>
<output>540</output>

<result>540</result>