A cone has a base radius of 3 cm and a volume of 6.28 cubic centimeters. What is the height of the cone in centimeters.
一个圆锥的底面半径是3厘米，体积是6.28立方厘米．这个圆锥的高是多少厘米．
<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">6.28 * 0.106157</gadget>
<output>0.666666</output>

<result>0.666666</result>