When two factors are multiplied, one factor is multiplied by 3, and the other factor is also multiplied by 3, how many times the product is multiplied
两个因数相乘，一个因数扩大3倍，另一个因数也扩大3倍，积扩大多少倍
<gadget id="calculator">3 * 3</gadget>
<output>9</output>

<result>9</result>