The charging standard of a certain parking lot is as follows: 2.5 yuan for 1 hour, 1.5 yuan for every half hour if it exceeds 1 hour. Uncle Wang parked his car in this parking lot at 8:00 a.m. and paid a parking fee of 11.5 yuan when picking up the car. So at what time did Uncle Wang pick up the car?
某个停车场的收费标准如下：1小时内收费2.5元，超过1小时的，每半小时收1.5元．王叔叔在上午8点整把车停在这个停车场，取车时交了11.5元的停车费，那么王叔叔是在多少点取车的．
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