Complex sentence: Eventually, 30 3-gun batteries in three distinct series were built, a number of guns were exported to Norway, and a mobile version of the gun called 7.5/65 was made bringing the total number of guns manufactured to well over 100.
Split into simpler sentences: Eventually, 30 3-gun batteries in three distinct series were built. A number of guns were exported to Norway, and a mobile version of the gun called 7.5/65 was made making the total number of guns manufactured to well over 100.