A cylinder and a cone have the same volume, and the ratio of their base radii is 2:1. It is known that the height of the cylinder is 2 centimeters, so how many centimeters is the height of the cone.
一个圆柱与一个圆锥体积相等，它们底面半径比是2：1，已知这个圆柱高2厘米，那么圆锥高多少厘米．
<result>24</result>