197. The senior math league is a regular work of math associations in chinese mathematical society and other provinces, municipalities and autonomous regions. The National Senior High School Mathematics Joint Competition is held on the second Sunday of September every year. This competition is mainly aimed at the outstanding students of senior high school mathematics in China, and its status is much higher than the mathematics competition organized by the provinces themselves. In 2022, 600 students in Shanghai participated in the senior mathematics league, among which 84 students won the third prize, and the third prize score was 197.