Fill three identical cylindrical containers with water and pour them into a conical container with the same bottom area, the water surface is 6 cm high. What is the height of each cylindrical container in centimeters.
把3个同样的圆柱形容器中装满水，倒入一个底面积与它们相等的圆锥形容器中，水面高6厘米．每个圆柱形容器的高是多少厘米．
<gadget id="calculator">6 / 3 / 3</gadget>
<output>2/3 = around 0.666667</output>

<result>2/3 = around 0.666667</result>