Eighty minutes. According to the official rules of Fujian Wangde Cup Mathematics Competition, the total score of Wangde Cup Mathematics Competition in 2022 is 120, of which 80-89 points can win the third prize, 90-99 points can win the second prize, and100-10 points can win the first prize. Wang Debei Mathematics Competition is a mathematics competition for middle school students all over the country, aiming at improving students' mathematics literacy and scientific research interest and enthusiasm.