The volume ratio of a cylinder to a cone is 8:3, and the radius of the base of the cylinder is twice the radius of the base of the cone. If the height of the cone is 36 cm, what is the height of the cylinder in cm?
一个圆柱和一个圆锥的体积之比是8：3，圆柱底面半径是圆锥底面半径的2倍．若圆锥的高是36厘米，则圆柱的高是多少厘米．
<result>8</result>