I'm going to ignore the % since that amount of percent for a number that large is kinda out of the league of a calculator. So instead I'll be substituing it with a multiplication sign.
3534534535345345345555555555555*65654564444444444444444444+5645645=
232058325431945476023143934231528423113179846419758732065 OR 2.3205832543194548e56