If the radius of a cone is 6cm and its volume is 12.56cm3, what is its height?
一个圆锥的半径是6cm，体积是12.56cm3则它的高是多少．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">6 ** 2</gadget>
<output>36</output>

<gadget id="calculator">3.14 * 36</gadget>
<output>113.04</output>

<gadget id="calculator">12.56 / (1/3) / 113.04</gadget>
<output>0.333333</output>

<result>0.333333</result>