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.
(..) This idea will define him. It may come to change... Well, it may come to change everything about him. We're the last company standing between them and total energy dominance. And we can no longer compete. Soon, they'll control the energy supply of half the world. In effect, they become (..)2010 Inception