A cylinder and a cone have the same base and volume, the height of the cylinder is 6 cm, what is the height of the cone?
一个圆柱体和圆锥体底面相等，体积也相等，圆柱的高是6厘米，圆锥的高是多少．
<gadget id="calculator">3 / 1</gadget>
<output>3</output>

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

<result>18</result>