The volume of a cone is 28.26 cubic centimeters and the radius of the base is 3 cm. What is the height of the cone?
一个圆锥的体积是28.26立方厘米，底面半径3厘米，这个圆锥的高是多少．
<gadget id="calculator">3 ** 2</gadget>
<output>9</output>

<gadget id="calculator">3.14 * 9</gadget>
<output>28.26</output>

<gadget id="calculator">3 / 28.26</gadget>
<output>0.106157</output>

<gadget id="calculator">28.26 * 0.106157</gadget>
<output>2.999997</output>

<result>2.999997</result>