Simplify the following text for a Grade 5 native English-speaking person.
Original: At a UniversitÃ t , the degree is called a Diplom or rarely a Diplom ( Univ . ) and usually takes around four to five years ( 300 ECTS Credits ) .
Simplified: At a UniversitÃ t the degree is called a Diplom or sometimes a Diplom ( Univ . ) and takes four or five years .