Copyright reasons. The total score of teachers and students is 40 points, which is compiled and produced by Danzhou educational institutions. Mainly used for science students to learn and calculate more in-depth mathematical knowledge. According to relevant data, as of August 18, 2022, official website, an educational institution in Danzhou, said that the topic of "40 Points in the General Comment" was temporarily suspended for copyright reasons, and it will be updated one after another after the problem is solved.