There are three classes in the sixth grade of Hongguang Primary School, each class has 48 students. The number of girls in Class Six 1 is exactly equal to the number of boys in Class Six 2. The number of girls in Class Six 3 accounts for 5/8 of the class. How many girls are there in total?
红光小学六年级有三个班，每班人数都是48人，六1班女生人数与六2班男生人数正好相等，六3班的女生人数占本班人数的(5/8)，六年级一共有女生多少人？
<result>74</result>