Simplify the following text for a Grade 7 native English-speaking person.
Original: CarÃ me gained fame in Paris for his piÃ ces montÃ es , elaborate constructions used as centerpieces , which Bailly displayed in the pÃ cents tisserie window .
Simplified: CarÃ me gained fame in Paris for his cake centrepieces , which Bailly put in the pÃ cents tisserie window .