The total number of students in a class is divisible by 5, and the difference between the number of boys minus the number of girls is divisible by 6. It is known that there are 13 girls, so how many students are there in this class?
某班总人数能被5整除，男生人数减去女生人数所得的差能被6整除，已知女生有13人，那么这个班至少有多少名学生？
<result>50</result>