Solving math equations is not something inherently exclusive just to ChatGPT. Read this blog post by Stephen Wolfram on how Wolfram|Alpha brings such superpowers to ChatGPT:

https://writings.stephenwolfram.com/2023/01/wolframalpha-as-the-way-to-bring-computational-knowledge-superpowers-to-chatgpt/

It also does not make it human, at all...