Two buses A and B going back and forth between A and B respectively depart from A and B at the same time, stop at the destination for 5 minutes before returning to the starting point, and arrive at C at the same time. It is known that station C is 6 kilometers away from the midpoint of A and B, and the speed ratio of cars A and B is 6:5. How many kilometers is the distance between the two cities of A and B?
往返于A、B两地的甲、乙两辆公共汽车分别从A、B两城同时相向出发，各自到达终点停车5分钟便返回出发地，并同时到达C站．已知C站距A、B的中点6千米，甲、乙两辆汽车的速度比是6：5，求AB两城相距多少千米？
<result>44</result>