A cylinder and a cone have the same volume and the same base area, the height of the cylinder is 2.4 decimeters, how many decimeters is the height of the cone.
一个圆柱与一个圆锥体积相等，底面积也相等，圆柱的高是2.4分米，圆锥的高是多少分米．
<gadget id="calculator">2.4 * 3</gadget>
<output>7.2</output>

<result>7.2</result>