The floor of a cuboid is square. If you add 3cm, it will become a cube. At this time, the area of each side is increased by 18cm

The floor of a cuboid is square. If you add 3cm, it will become a cube. At this time, the area of each side is increased by 18cm

Side length of bottom surface: 18 △ 3 = 6cm
Height: 6-3 = 3cm
Original volume: 6 × 6 × 3 = 108 cubic centimeter