A cylinder and a cone have the same base area and volume respectively. The height of the cone is 2.7dm. What is the height of the cylinder?
一个圆柱和圆锥的底面积和体积分别相等，圆锥的高是2.7dm，圆柱的高是多少．
<gadget id="calculator">2.7 / 3</gadget>
<output>0.9</output>

<result>0.9</result>