Xiaoyue took several exams, and in the last exam, she found that if she got 97 points in this exam, her average score was 90; if she got 73 points in this exam, her average score was 87 points. How many times did Xiaoyue take the exam?
小悦参加了若干次考试，在最后一次考试时她发现：如果这次考试得97分，那么她的平均分是90分；如果这次考试得73分，那么她的平均分数是87分，小悦一共参加了多少次考试？
<result>8</result>