How much is the 92-square-pool area of the 70-year-old property right house in Yizhuang Linkin Park?

18 square meter. Generally, the pool area of 92m2 elevators in Yizhuang Linkin Park 70-year-old property house is18m2, pool area = pool coefficient * interior area, and the 92m2 house divided by 100 pool coefficient multiplied by 19 is equal to18m2. The calculation of pool area in real estate is: pool area = pool coefficient * interior area; Allocation coefficient = public * * * usable area of the whole building/interior area of the whole building; The public usable area is the common part of the whole building.