The volume of a cone is 12.56 cubic centimeters, which is how many cubic centimeters less than the volume of a cylinder with the same base and height.
一个圆锥体积是12.56立方厘米，比等底等高的圆柱体积少多少立方厘米．
<gadget id="calculator">12.56 * 2</gadget>
<output>25.12</output>

<result>25.12</result>