The height of a cone is equal to that of a cylinder, the ratio of the base radii is 3:4, and the volume of the cone is the volume of the cylinder ((())/(())).
一个圆锥与一个圆柱的高相等，底面半径的比是3：4，圆锥体积是圆柱体积的((())/(()))．
<gadget id="calculator">3 / 16</gadget>
<output>3/16 = around 0.1875</output>

<result>3/16 = around 0.1875</result>