If the radius of a cone is tripled and its height remains the same, how many times will its volume and base area be enlarged?
一个圆锥的半径扩大3倍，高不变，它的体积和底面积都扩大多少倍倍．
<gadget id="calculator">9 / 1</gadget>
<output>9</output>

<result>9</result>