The volume of a cone is 15.7 cubic meters and the diameter of the base is 10 meters. What is the height of the cone?
一个圆锥体积是15.7立方米，底面直径是10米，这个圆锥的高是多少米．
<gadget id="calculator">10 / 2</gadget>
<output>5</output>

<gadget id="calculator">5 ** 2</gadget>
<output>25</output>

<gadget id="calculator">3 / 3.14 / 25</gadget>
<output>0.038217</output>

<gadget id="calculator">15.7 * 0.038217</gadget>
<output>0.600007</output>

<result>0.600007</result>