The total number of students in a class is a multiple of 5, and the difference between the number of boys minus the number of girls is a multiple of 6. It is known that there are 11 girls, then, at least how many students are there in this class.
某班总人数是5的倍数，男生人数减去女生人数所得的差是6的倍数．已知女生11人，那么，这个班至少有多少名学生．
<result>40</result>