Kong drove 2 hours longer than Ye at an average speed 2 kilometers per hour faster than Ye. Xiu drove 4 hours longer than Ye at an average speed 4 kilometers per hour faster than Ye. If Kong drove 50 kilometers more than Ye, then how many more kilometers did Xiu drive than Ye?
Four friends Li Qin, Fang Yin, Shaiming, and Sying are standing in a row. Li Qin is not standing at the first position. Fang Yin is not standing at the last position. Shaiming is standing behind Fang Yin. Sying is standing between Shaiming and Li Qin. Who is standing at first position?