A cylinder and a cone have the same base radius and the same height. If the volume of the cone is 50 cubic decimeters, what is the volume of the cylinder?
一个圆柱体和一个圆锥体的底面半径相等，高也相等，如果圆锥的体积是50立方分米，那么圆柱的体积为多少立方米．
<gadget id="calculator">50 * 3</gadget>
<output>150</output>

<result>150</result>