One evening, ten trains arrive at a train station. The number of minutes late for each train is shown below. 3, 4, 0, 3, 7, 9, 8, 0, 8, 10 Later that evening, two more trains arrive at the train station. The median number of minutes late of all twelve trains is 6.5 The mode number of minutes late of all twelve trains is 8. How many minutes late were the two extra trains?​