The area of the base of a cone is 12 square decimeters, its volume is 12 cubic decimeters, what is its height?
一个圆锥的底面积是12平方分米，它的体积是12立方分米，它的高是多少分米．
<gadget id="calculator">3 / 12</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">12 * (1/4)</gadget>
<output>3</output>

<result>3</result>