There are 48 students in Class 6 (1), of which (7/12) are male students. (7/8) students in this class have participated in various interest groups. What is the minimum number of male students participating in interest groups?
六(一)班有48名同学，其中男生人数占(7/12)，该班(7/8)的同学参加了各种兴趣小组，参加兴趣小组的男同学最少有多少人．
<result>22</result>