Shandong 202 1 Mathematical Model Championship has 1225 applicants. According to relevant website information, there are 1 2 1 schools (including 3 middle schools) and 3674 teams in Shandong Division of 202 1 National Mathematical Modeling Competition for College Students. A team of 3 people, * * 1.225 people. In the end, 3036 undergraduate groups and 377 specialist groups successfully submitted their entries.