The number of boys in the Spring Sprout Chorus outnumbers the number of girls (4/5). Today there are 2 more boys joining the choir. At this time, the number of boys outnumbers the number of girls (9/10). How many members are there in the choir?
春苗合唱团的男生人数是女生人数的(4/5)，今天又有2名男生参加合唱团，这时男生人数是女生人数的(9/10)．合唱团现有团员多少人？
<result>30</result>