A marathon runner trains for a race by running different routes on different days of the week. On Monday, she runs 5 miles, on Tuesday she runs 8 miles, on Wednesday she runs 10 miles, on Thursday she runs 6 miles, and on Friday she runs 12 miles. She rests on the weekend. If she maintains this schedule for 4 weeks, how many miles does she run in total? Let's think step by step and output the final answer within \boxed{}.
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