A cylinder and a cone have the same base area, and the ratio of the volume of the cylinder to the volume of the cone is 2:1. If the height of the cone is 12 decimeters, what is the height of the cylinder?
一个圆柱和一个圆锥底面积相等，圆柱的体积与圆锥的体积比是2：1．如果圆锥的高是12分米，那么圆柱的高是多少分米．
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">12 * (2/3)</gadget>
<output>8</output>

<result>8</result>