A and B are two cuboid water tanks. The length of a water tank is 4 decimeters, the width is 3 decimeters, and the height is 2 decimeters. There is no water in it. A water tank is 3 decimeters long and 2 decimeters wide, and contains water 3 decimeters deep. Now pour part of the water in tank B into tank A so that the water in the two tanks has the same depth. How many decimeters is the same depth?
甲、乙两个长方体水箱．甲水箱的长为4分米，宽为3分米，高为2分米，里面没有装水．乙水箱的长为3分米，宽为2分米，箱中盛有3分米深的水．现把乙水箱中的水向甲水箱中倒一部分，使两个水箱中的水的深度相同，这个相同的深度是多少分米
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