A cylinder and a cone have the same base area. The volume of the cylinder is twice the volume of the cone. If the height of the cylinder is 12 cm, what is the height of the cone in cm?
一个圆柱和一个圆锥的底面积相等，圆柱的体积是圆锥体积的2倍，如果圆柱的高是12厘米，那么圆锥的高是多少厘米．
<result>12</result>