Advise which project with model to take for course work

Beginners
1

Interested opportunity to train model so that example was like this. What kind project with model is necessary for student project implementation? Is there a ready C/C++ or Python framework?

Test train data:

#QUESTION
5 + 5
#QUESTION

#ANSWER
10
#ANSWER

#QUESTION
-1 - 10
#QUESTION

#ANSWER
-11
#ANSWER

Test chat example:

User: 5+5 AI: 10
User: 5 + 5 AI: 10
User: 5 - 10 AI: 
User: 8-1 - 10 AI: -11
User: -1 -(10 AI: -11
User: 100 + 100 AI:

Answers should be strict, but question can be posed with extra characters or spaces.