How Many Sheep Are in a Field?

A man managed to multiply two 100 digit numbers in eight and three quarter hours. The famous mathematician, karl friedrich gauss am said that some one skilled in calculation could done the calculation in half that time with pencil and paper. And i'm in the buck girdlesher back, which we have downstairs. They talk about this guy, dasa, and they say he had an uncanny sense of quantity. He could just tell, without counting, how many sheep were in a field.