The sum of the sides of a cuboid is 120 cm, and the ratio of length, width and height is 2:2:1, so how many faces of this cuboid have the same size at most.
一个长方体棱长和为120厘米，且长宽高的比为2：2：1，那么这个长方体最多有多少个面大小相等．
<result>4</result>