On a map of China with a scale of (1/6000000), the length of the railway from Tianjin to Beijing is measured as 2cm. If a train departs from Tianjin at 8 am at a speed of 60km per hour, when will the train arrive in Beijing?
在比例尺是(1/6000000)的中国地图上量得天津到北京的铁路长2cm，如果一列火车上午8点以每小时60km的速度由天津开出，这列火车是多少时到达北京．
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