There are some books on the bookshelf, the number of books is between 150 and 200, among which (2/5) are comic books, (2/7) are story books, how many books are there on the bookshelf?
书架上有一些书，书的本数在150～200之间，其中(2/5)是连环画，(2/7)是故事书，书架上的书有多少本？
<result>175</result>