A cylinder and a cone with equal base and equal volume, the height of the cone is 18 cm, what is the height of the cylinder in cm?
等底等体积的圆柱和圆锥，圆锥的高是18厘米，那么圆柱的高是多少厘米．
<gadget id="calculator">18 / 3</gadget>
<output>6</output>

<result>6</result>