Uncle Li bought 5 pairs of badminton rackets and 11 buckets of badminton, and spent a total of 632.1 yuan. A bucket of badminton is 27.6 yuan, how much is a pair of badminton rackets?
李叔叔买了5副羽毛球拍和11桶羽毛球，一共花了632.1元．一桶羽毛球27.6元，一副羽毛球拍多少元？
<result>67.5</result>