Complex sentence: A total of 186 engines were operated by the Hull and Barnsley Railway, on merging into the North Eastern Railway the locomotives were briefly renumbered by adding 3000 to the original number.
Split into simpler sentences: A total of 186 engines were operated by the Hull and Barnsley Railway. On merging into the North Eastern Railway, the locomotives were briefly renumbered by adding 3000 to the original number.