The height of the cylinder is increased by 5 times, and the area of the base is increased by 2 times. how many times its size
圆柱的高扩大5倍，底面积扩大2倍．它的体积扩大多少倍
<gadget id="calculator">5 * 2</gadget>
<output>10</output>

<result>10</result>