A cylinder and a cone with the same base and height, the volume of the cylinder is 45 cubic centimeters, what is the volume of the cone?
等底等高的圆柱和圆锥，圆柱体积是45立方厘米，圆锥体积是多少．
<gadget id="calculator">45 / 3</gadget>
<output>15</output>

<result>15</result>