Decoration workers to a house floor tile, if the side length of 40cm square brick shop, need 300. If the side length of 50cm square brick, how much

Decoration workers to a house floor tile, if the side length of 40cm square brick shop, need 300. If the side length of 50cm square brick, how much

1. House area: 40 × 40 × 300 = 480000
2. The number of tiles with side length of 50cm: 480000 △ 50 × 50 = 192 (pieces)