In multiplication, if one factor is multiplied by 2 and the other factor is multiplied by 4, how many times is the product multiplied?
在乘法算式中，一个因数扩大2倍，另一个因数扩大4倍，积扩大多少倍
<gadget id="calculator">2 * 4</gadget>
<output>8</output>

<result>8</result>