It’s a tokenization problem. ChatGPT understands that twenty two is two + twenty. It does not understand that 22 = 20+2. If can do math by hand using rules it

It’s a tokenization problem. ChatGPT understands that twenty two is two + twenty. It does not understand that 22 = 20+2. If can do math by hand using rules it knows until it spits out a numeral form - then it errors.