A cylinder and a cone have the same volume and base, and the height of the cone is 12 cm, what is the height of the cylinder in cm
一个圆柱和圆锥的体积和底面都相等，圆锥高12厘米，则圆柱高多少厘米
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">12 * (1/3)</gadget>
<output>4</output>

<result>4</result>