The height of a conical container is 6 cm. It is filled with water. If water is poured into a cylindrical container with the same bottom as it, what is the height of the water surface in cm?
一个圆锥形容器的高是6厘米，里面装满了水，把水倒入与它等底的圆柱形容器中，水面高多少厘米．
<result>2</result>