If a cylinder is cut into a cone with the same base and height, the volume cut off is 9 cubic centimeters, what is the volume of the cone in cubic centimeters?
把一个圆柱体削成一个与它等底等高的圆锥，削去的体积是9立方厘米，圆锥的体积是多少立方厘米．
<gadget id="calculator">9 / 2</gadget>
<output>9/2 = around 4.5</output>

<result>9/2 = around 4.5</result>