Divide 40 biscuits and 30 candies equally among a group of students. As a result, there are 5 biscuits and 2 candies left. What is the maximum number of students in this group?
把40块饼干和30颗糖果平均分给一组同学，结果饼干还剩5块，糖果还余2颗．这个小组最多有多少名同学？
<result>7</result>