If the sum of 19968 and 22235 is expressed as 0063, and the product of 20108 and 19977 as 0362, then how would the difference between 20845 and 20116 be rendered?

Clue: The shortest telegram exchange in the English language was between the writer Oscar Wilde and his publisher. While living in Paris, Wilde cabled his publisher in Britain to see how his new book was doing. The message read: “?” The publisher cabled back: “!”