In a survey, 5 students were asked how many hours they spent studying last week. Their responses were 10, 12, 14, 16, and 18 hours. After analyzing the data, it was found that the average (arithmetic mean) number of hours spent studying by these students is 2 hours more than the average number of hours spent by another group of 5 students. What is the total number of hours spent studying by the students in the second group? Let's think step by step and output the final answer within \boxed{}.
user