If one multiplier is enlarged by 8 times and the other multiplier is reduced by 2 times, the product will be enlarged by how many times
一个乘数扩大8倍，另一个乘数缩小2倍，积就扩大多少倍
<gadget id="calculator">8 / 2</gadget>
<output>4</output>

<result>4</result>