cone has a base area of 9 square centimeters and a volume of 15 cubic centimeters, what is its height?
一个圆锥的底面积是9平方厘米，体积是15立方厘米，它的高是多少？
<gadget id="calculator">3 / 9</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">15 * (1/3)</gadget>
<output>5</output>

<result>5</result>