A cylinder and a cone have the same base and height, and the difference in volume is 12 cubic centimeters, what is the volume of the cylinder in cubic centimeters?
一个圆柱与一个圆锥等底等高，体积相差12立方厘米，则圆柱体积是多少立方厘米．
<gadget id="calculator">3 - 1</gadget>
<output>2</output>

<gadget id="calculator">12 / 2</gadget>
<output>6</output>

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

<result>18</result>