Yongfeng county government building 120 m2 each. The * * * room of Yongfeng County Government Building covers an area of 2,700 square meters, and * * * has 22 rooms. Through calculation, 2700/22 is equal to 120 square meters, so each room in Yongfeng County Government Building is 120 square meters. Yongfeng County belongs to Ji 'an City, Jiangxi Province, located in the central part of Jiangxi Province, on the eastern edge of Ji Tai Basin, adjacent to Lean County and Ningdu County in the east and Xingguo County in the south.