Complex sentence: After only a few months, the line was accommodating 70,000 travellers a day and during the whole of 1880, approximately 1,5 million people used Görlitzer Bahnhof.
Split into simpler sentences: After only a few months, the line was accommodating 70,000 travellers a day. During the whole of 1880,1,5 million people used Görlitzer Bahnhof.