/kloc-The pool area of the 0/00 square meter store is **40 square meters * *. The pool area refers to the same part of the whole building, such as elevators, corridors, fire exits, etc. The specific calculation method is: pool area = building area × pool rate, pool rate = total pool area of building ÷ total building area. According to this formula, we can calculate that the pool area is 100 m2× 40% = 40 m2.