That's 'the sum total of' what I know about cars. [=that's all I know about cars]
They have managed to raise a 'grand total' of $15 million in the past two years.
They scored a 'grand total' of three points in the first quarter.
(..) ...if only for a short while. King me. -Chess. Now there's a game of kings. -What? Civilized. Strategic. And a total fucking mystery. I hate it. Let me teach you someday. Sure. We could get a board together. You're talking to the right man. (..)1994 The Shawshank Redemption