The radius of the base of a cone is (1/3) the diameter of the cylinder, the height of the cone is (5/2) the height of the cylinder, and the volume of the cone is the volume of the cylinder.
一个圆锥的底面半径是圆柱直径的(1/3)，圆锥的高是圆柱高的(5/2)，圆锥的体积是圆柱的多少．
<gadget id="calculator">10 / 27</gadget>
<output>10/27 = around 0.37037</output>

<result>10/27 = around 0.37037</result>