Skimming words in milliseconds to estimate their sum.
Odd, jackpot*! Got the middle, the next milliseconds.
Even, divide it into two, got two middles, the next milliseconds.
Not at all productive but it just milliseconds, then I’m ready to function (or repeat).
*in the parallel universe with other sadistic self cutting people’s body parts and boiling them in large boiling pan while caressing my furry friend, winning a lifetime achievement.