72÷ 12÷2.5=2.4 square

Weed areas that can be pulled out in the afternoon

2.4X2.5x36=2 16 square

2. Pave 35 square bricks 1 m2, so the living room area is 35 m2.

The living room area is 23 square meters larger than the kitchen area, and the kitchen area is 35-23= 12 square meters.

35 can be allocated as 5x7, and each floor tile field is square with a side length of 1.

The circumference of the bottom of the living room is 5+7+5+7=24.