A cylinder and a cone with the same base and height, if the volume of the cone is 9 cubic centimeters, what is the volume of the cylinder in cubic centimeters?
等底等高的圆柱体与圆锥体，已知圆锥的体积为9立方厘米，则圆柱的体积为多少立方厘米．
<gadget id="calculator">9 * 3</gadget>
<output>27</output>

<result>27</result>