The chatbot-style answers of https://you.com seem impressive.
If asked nonsensical questions, they provide nonsensical answers. However, contrary to chatgpt, when asked very weird but sensible questions or fact lookup questions, it does provide correct answers (also, doesn't refuse to answer questions on fake grounds).
Ok, it seems to have the the old-and-well-known preponderance to just pull numbers and multiply them without regard for what they are: https://you.com/search?q=How+heavy+is+1l+of+air+at+10atm%3F&fromSearchBar=true&tbm=youchat