A cylinder and a cone have the same base and volume. If the height of the cone is 6 cm, what is the height of the cylinder in cm?
圆柱、圆锥等底等体积，如果圆锥的高是6厘米，圆柱的高是多少厘米．
<gadget id="calculator">6 / 3</gadget>
<output>2</output>

<result>2</result>