The volume of a cone is 157 cubic decimeters, the area of the base is 31.4 square decimeters, what is its height?
一个圆锥体的体积是157立方分米，底面积是31.4平方分米，它的高是多少分米．
<gadget id="calculator">157 / 3.14</gadget>
<output>50</output>

<gadget id="calculator">3 * 50</gadget>
<output>150</output>

<result>150</result>