If the height of a cone is constant, if the radius of the base is tripled, its volume will be multiplied by how many times
一个圆锥体的高不变，如果底面半径扩大3倍，它的体积就扩大多少倍
<gadget id="calculator">3 * 3</gadget>
<output>9</output>

<result>9</result>