In a mathematics competition, the ratio of the number of people who win the first prize to the second prize is 2:5. The average score of the first and second prizes is 88 points, and the average score of the second prize is 86 points. What is the average score of the first prize? point.
一次数学竞赛，获一等奖和二等奖的人数比是2：5，一、二等奖的平均分是88分，二等奖的平均分是86分，一等奖的平均分是多少分．
<result>93</result>