A cone and a cylinder have the same base and height, and the volume of the cone is 18 cubic decimeters smaller than that of the cylinder. What is the volume of the cylinder?
一个圆锥体和一个圆柱体等底等高，圆锥体体积比圆柱体小18立方分米，圆柱体的体积是多少立方分米．
<gadget id="calculator">18 / 2</gadget>
<output>9</output>

<gadget id="calculator">9 * 3</gadget>
<output>27</output>

<result>27</result>