Respuesta :
You got in on the 23rd floor.
You could say "Emma got on an elevator on the 23rd floor, she remembered she left her sunglasses as her friends apartment 7 floors down. She got in the elevator and went to the 16th floor, got her sunglasses and then continued with her day"
You could say "Emma got on an elevator on the 23rd floor, she remembered she left her sunglasses as her friends apartment 7 floors down. She got in the elevator and went to the 16th floor, got her sunglasses and then continued with her day"