A cylinder and a cone have the same volume, the ratio of their base areas is 5:6, the height of the cylinder is 9cm, how many centimeters is the height of the cone?
一个圆柱和一个圆锥的体积相等，它们的底面积的比是5：6，圆柱的高是9cm，圆锥的高是多少厘米？
<gadget id="calculator">5 / 2</gadget>
<output>5/2 = around 2.5</output>

<gadget id="calculator">9 * (5/2)</gadget>
<output>45/2 = around 22.5</output>

<result>45/2 = around 22.5</result>