The lengths of the two sides of a right triangle are 3 cm and 4 cm respectively, and a cone is obtained by rotating one side of the right triangle as the axis. What is the maximum volume of the cone?
一个直角三角形的两条直角边分别长3厘米和4厘米，以这个直角三角形的一条直角边为轴旋转一圈得到一个圆锥，这个圆锥体积最大为多少．
<result>50.24</result>