Wuhu City has successively opened three fitness clubs, with an annual income of 3 million. The investment cost of a 1000 square gym is about 900-1000 (excluding the venue fee). For gymnasiums with an investment of more than/kloc-0.0 million yuan, in order to calculate their annual profits, we must first subtract various expenses, and then its real profits. According to the current economic situation in Wuhu, the income of the three fitness clubs will be around 3 million.