A rectangular conference room is 9 meters long and 8 meters wide. If you use square tiles with a side length of 2 decimeters, how many bricks do you need

1973 Shani,
Ground area: 9 × 8 = 72 (square meter) = 7200 (square decimeter)
Floor tiles required: 7200 (2 × 2) = 1800 (pieces)

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