On a holiday, Xiao Ming decides to go hiking. He starts his hike at 9:00 AM and walks uphill at a speed of 5 kilometers per hour. After reaching the top at 11:00 AM, he rests for 1 hour. He then descends at a speed of 6 kilometers per hour, finishing his hike at 2:00 PM. How far did Xiao Ming walk in total? Let's think step by step and output the final answer within \boxed{}.
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