If the base of a parallelogram is enlarged by 8 times and the height is reduced by 2 times, how many times is the area of the parallelogram enlarged?
如果一个平行四边形，底扩大8倍，高缩小2倍，那么这个平行四边形的面积扩大多少倍
<gadget id="calculator">8 / 2</gadget>
<output>4</output>

<result>4</result>