The radius of the base of a cone is 3cm, and the volume is 628cm**3. What is the height of the cone?
一个圆锥的底面半径是3cm，体积是628cm**3，这个圆锥的高是多少？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">3 ** 2</gadget>
<output>9</output>

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

<gadget id="calculator">628 / (1/3) / 28.26</gadget>
<output>66.666667</output>

<result>66.666667</result>