The volume of a cone is 56.52cm**3, the radius of the base is 3cm, what is the height?
一个圆锥体积是56.52cm**3，底面半径是3cm，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">56.52 / (1/3) / 28.26</gadget>
<output>6</output>

<result>6</result>