Think back to grade school after you learned how to do long division. Then pretend you didn't have pencil and paper, so you had to do it in your head. If some

Think back to grade school after you learned how to do long division. Then pretend you didn't have pencil and paper, so you had to do it in your head. If someone interrupted you right in the middle, wouldn't it be hard to get that context back and continue? It would for me. At that point, I would most likely have to start again at the beginning.