A cone and a cylinder have the same base area and the same volume. If the height of the cylinder is 1 cm, what is the height of the cone in cm?
一个圆锥和一个圆柱的底面积相等，体积也相等．已知圆柱的高是1厘米，圆锥的高是多少厘米．
<gadget id="calculator">3 * 1</gadget>
<output>3</output>

<result>3</result>