The volume of a cone is 15.7 cubic decimeters, the area of the base is 3.14 square decimeters, how many decimeters is its height?
一个圆锥体的体积是15.7立方分米，底面积是3.14平方分米，它的高有多少分米．
<gadget id="calculator">3 / 3.14</gadget>
<output>0.955414</output>

<gadget id="calculator">15.7 * 0.955414</gadget>
<output>15</output>

<result>15</result>