I just tested it with clearer language... and the response is incorrect:
Question:
There are 5 dogs in a room right now. The previous day an additional dog was purchased and added to the room. How many dogs are in the room right now?
Answer:
There are 6 dogs in the room right now. The statement says that the previous day an additional dog was purchased and added to the room, so the total number of dogs in the room right now is 5 + 1 = 6.
Edit: Ok a comment below pointed out that the question is still unclear. See below for the fix and the response. It is still incorrect:
Q: There are 5 dogs in a room on 1 January 2023. The previous day an additional dog was purchased and added to the room. How many dogs are in the room on 1 January 2023?
A: There are 6 dogs in the room on 1 January 2023. The previous day, one additional dog was purchased and added to the room, which means there are 5 dogs + 1 additional dog = 6 dogs in the room on 1 January 2023.