A cuboid, just cut into two cubes, cut off the surface area increased by 18 square meters, the cuboid volume is how many cubic meters

Area of a section (square) = 18 △ 2 = 9 square meters
Side length of square = 3 meters
The length of the original cuboid is 3 + 3 = 6m
Cuboid volume = 9 × 6 = 54 cubic meters

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