A cylinder and a cone have the same volume. It is known that the radius of the base of the cylinder is that of the cone (4/9), so the height of the cone is equal to that of the cylinder.
一个圆柱和一个圆锥的体积相等，已知圆柱的底面半径是圆锥的(4/9)，那么圆锥的高是圆柱的多少．
<gadget id="calculator">16 / 27</gadget>
<output>16/27 = around 0.592593</output>

<result>16/27 = around 0.592593</result>