A cone and a cylinder have the same base radius and the same height. It is known that the sum of their volumes is 24 cubic centimeters, what is the volume of the cylinder in cubic centimeters.
一个圆锥和一个圆柱，它的底面半径相等，高也相等．已知它们的体积和是24立方厘米，圆柱的体积是多少立方厘米．
<gadget id="calculator">24 / 4</gadget>
<output>6</output>

<gadget id="calculator">6 * 3</gadget>
<output>18</output>

<result>18</result>