When multiplying two numbers, if one factor is multiplied by 4 and the other factor is reduced by 2, what is the product?
两数相乘，如果一个因数扩大4倍，另一个因数缩小2倍，积将多少．
<gadget id="calculator">4 / 2</gadget>
<output>2</output>

<result>2</result>