How about holding one chestnut in one hand, adding another chestnut to it, then going up to someone and asking them how many chestnuts you're holding? They're not doing any maths, they're simply looking at your chestnuts (fnarr fnarr) and reporting back.
At the age of five, Skagra decided emphatically that God did not exist. This revelation tends to make most people in the universe who have it react in one of two ways - with relief or with despair. Only Skagra responded to it by thinking, 'Wait a second. That means there's a situation vacant.'