It's hard to say whether it can be adjusted. There are two questions that only the admissions office can answer:

1, subject teaching (mathematics) belongs to the master of education, whether the school's adjustment policy is allowed.

2. The premise of adjustment is whether the number of online students who voluntarily apply for subject teaching is insufficient. I'll ask the admissions office after the national line is announced.

3. It is recommended to consult the Graduate Admissions Office of a college or school and pay attention to the transfer information of other schools.