After 18 cubic centimeters are cut off from a cylinder, it happens to be cut into a cone with the same base and height. What is the volume of this cylinder?
一个圆柱体削去18立方厘米后，正好削成了一个等底等高的圆锥．这个圆柱的体积是多少？
<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>