After Mr. Li transferred 1 girl from the mathematics interest group to the English interest group, (1/7) of the remaining students were girls. If this girl is not called out, but 2 boys are called out, then (1/5) of the remaining students are girls. Q: How many students are there in this mathematics interest group?
李老师从数学兴趣小组调出1名女生到英语兴趣小组后，剩下的同学中有(1/7)是女生．如果不调出这名女生，而是调出2名男生，那么剩下的同学中有(1/5)是女生．问：原来这个数学兴趣小组有多少名同学？
<result>22</result>