A cylinder and a cone with the same base area and volume, the height of the cone is 18cm, what is the height of the cylinder in cm
底面积和体积都相等的圆柱和圆锥，圆锥的高是18cm，圆柱的高是多少cm
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">18 * (1/3)</gadget>
<output>6</output>

<result>6</result>