conical container with a height of 6 cm is filled with water and poured into a cylindrical container with the same height as its bottom. What is the height of the water surface in cm?
一个高6cm的圆锥形容器盛满了水，倒入和它等底等高的圆柱形容器内，这时水面的高是多少cm．
<result>2</result>