If a cylinder and a cone have the same base and height, and their volumes differ by 18 cubic centimeters, what is the volume of the cylinder in cubic centimeters?
如果一个圆柱和一个圆锥等底等高，且它们的体积相差18立方厘米，那么圆柱的体积为多少立方厘米．
<gadget id="calculator">3 - 1</gadget>
<output>2</output>

<gadget id="calculator">18 / 2</gadget>
<output>9</output>

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

<result>27</result>