If the volume of a cone is 20 cubic centimeters and the area of the base is 5 square decimeters, what is the height in centimeters?
圆锥的体积是20立方厘米，底面积是5平方分米，则高是多少厘米．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">5 * 100</gadget>
<output>500</output>

<gadget id="calculator">20 / (1/3) / 500</gadget>
<output>3/25 = around 0.12</output>

<result>3/25 = around 0.12</result>