More than 6000 yuan. Wang Chao's salary in Huixian Emergency Bureau depends on his position and working years. Under normal circumstances, the salary of section chief ranges from 6,000 to 8,000 yuan/month, and that of deputy section chief ranges from 3,000 to 5,000 yuan/month. According to Wang Chao's position and working years, his salary should be more than 6000 yuan.