Best way, I find, is to copy/paste the scores as they are now into Notepad, then add totals at the end of your game.
Or do you mean the scoring as the game progresses? If so, it's 25pts in total for the word. Each correct 'logic' gets 5pts. Person who guesses word correctly gets what's left of the 25pts after logics. You get 1pt for each INcorrect answer up to correct guess.