cylinder has the same volume as a cone, and their bases have the same area. If the height of the cylinder is 6 cm, what is the height of the cone in cm?
一个圆柱体与圆锥体的体积相等，它们的底面积相等，若圆柱的高为6厘米，那么圆锥的高是多少厘米．
<gadget id="calculator">3 / 1</gadget>
<output>3</output>

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

<result>18</result>