The mode of Shanghai college entrance examination is 3+ comprehensive+1, and 3 is three foreign languages, with a full score of 150. Synthesis is the synthesis of six courses: materialization, biology, politics and history, which is divided into literature synthesis and science synthesis. The score of the paper is 150, which translates into 30 points in the college entrance examination. 1 is an elective subject, liberal arts students can choose one of politics, history and geography, and science students can choose one of them, with a full score of 150. So the total score of Shanghai college entrance examination is 150*4+30=630.