A cylinder and a cone, their volume ratio is 4:3, the radius of the base of the cylinder is that of the cone (4/5), and the height of the cylinder is 10 cm, what is the height of the cone in cm.
一个圆柱和一个圆锥，它们的体积比是4：3，圆柱的底面半径是圆锥的(4/5)，圆柱的高是10厘米，则圆锥的高是多少厘米．
<gadget id="calculator">25 / 36</gadget>
<output>25/36 = around 0.694444</output>

<gadget id="calculator">1 / (25/36)</gadget>
<output>36/25 = around 1.44</output>

<gadget id="calculator">10 * (36/25)</gadget>
<output>72/5 = around 14.4</output>

<result>72/5 = around 14.4</result>