Earlier quoted context omitted.
He will get out much sooner.
So if he's sentenced to 40 years in federal court ... (this is federal court, right? I forgot) Fed doesn't do parole. Best you can get typically is time for good behavior for like 15% reduction in length. But there's a good chance he doesn't get sentenced to 40 years, that's just what the prosecutor asks for. We dunno yet.
Obama granted almost 2000 clemencies. Biden, so far, about a dozen + 6500 for simple possession of MJ. Trump was in between with something over 200.