A cone and a cylinder with the same base and the same volume, the height of the cone is 18 cm, what is the height of the cylinder in cm?
同底等体积的圆锥和圆柱，圆锥的高是18厘米，那么圆柱的高是多少厘米．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">18 * (1/3)</gadget>
<output>6</output>

<result>6</result>