A cylinder and a cone have the same base area and the same volume. It is known that the height of the cylinder is 1.2 decimeters, and how many decimeters is the height of the cone.
一个圆柱和一个圆锥的底面积相等，体积也相等．已知圆柱的高是1.2分米，圆锥的高是多少分米．
<gadget id="calculator">1.2 * 3</gadget>
<output>3.6</output>

<result>3.6</result>