If the radius of the base of a cone is tripled and the height is tripled, the volume of the cone will be doubled
把一个圆锥的底面半径扩大3倍，高也扩大3倍，圆锥的体积就扩大多少倍
<gadget id="calculator">9 * 3</gadget>
<output>27</output>

<result>27</result>