The diameter of the base of a cone is (1/3) the diameter of the base of a cylinder. If their heights are equal, then the volume of the cone is the volume of the cylinder.
一个圆锥的底面直径是圆柱底面直径的(1/3)，如果它们的高相等，那么圆锥体积是圆柱体积的多少．
<gadget id="calculator">1 / 27</gadget>
<output>1/27 = around 0.037037</output>

<result>1/27 = around 0.037037</result>