Lingling's family has a room 4 meters long and 3.5 meters wide. How many square bricks do you need to use to pave the floor?
4 / 0.6 = 6.667.7 pieces
3.5 / 0.6 = 5.83.6 pieces
About 6 * 7 = 42 yuan
4 / 0.6 = 6.667.7 pieces
3.5 / 0.6 = 5.83.6 pieces
About 6 * 7 = 42 yuan