The volume of a cylindrical block of wood cut into a cone equal to its base and height is 15.7 cubic centimeters, what is the volume of the cut part?
一个圆柱体木块削成与它等底等高的圆锥体后体积是15.7立方厘米，削去部分体积是多少立方厘米．
<gadget id="calculator">15.7 * 2</gadget>
<output>31.4</output>

<result>31.4</result>