A full-time fire driver in Luoyang can get a salary of 12000 yuan in January after working for 5 years. According to relevant public information, the salary of regular firefighters is related to work experience. The average salary of firefighters who have worked 1 to 3 years is 5,000 yuan/month, firefighters who have worked for 3 to 5 years are 7,000 yuan/month, and firefighters who have worked for 5 to 10 years are 1.2 million yuan/month.