A cylinder and a cone have the same bottom area, the volume ratio is 1:3, and the height of the cone is 27cm, what is the height of the cylinder in cm?
一个圆柱和一个圆锥底面积相同，体积之比为1：3，已知圆锥高27cm，则圆柱高是多少cm．
<gadget id="calculator">1 / 9</gadget>
<output>1/9 = around 0.111111</output>

<gadget id="calculator">27 * (1/9)</gadget>
<output>3</output>

<result>3</result>