A cylinder and a cone have the same volume and the same base area. The height of the cone is 18 cm. What is the height of the cylinder in cm?
一个圆柱和一个圆锥的体积相等，底面积相等，圆锥的高是18厘米，圆柱的高是多少厘米．
<gadget id="calculator">18 / 3</gadget>
<output>6</output>

<result>6</result>