If a piece of wood from a cylinder is chipped into the largest cone, and the volume removed is 20 cubic centimeters, what is the volume of the cone?
把一段圆柱体的木料削成一个最大的圆锥体，削去的体积是20立方厘米，则圆锥体的体积是多少．
<gadget id="calculator">20 / 2</gadget>
<output>10</output>

<result>10</result>