The height of a cylinder and a cone are equal, the radius of the base of the cone is (3/5) of the radius of the base of the cylinder, how much less is the volume of the cone than the volume of the cylinder
一个圆柱体与一个圆锥体的高相等，圆锥体的底面半径是圆柱体底面半径的(3/5)，圆锥的体积比圆柱的体积少多少
<result>0.88</result>