If your looking for the sum, it would be -5 :)
It's true because a pint is used to locate co-ordinates and has no size or dimension
-- sitting erect, shoulders back, chest out, head up, spine straight
-- pen held loosely and comfortably in your hand
-- forearm resting lightly on the table
-- digit characters formed neatly and clearly, with uniform size and slant
<em>3 0 9, 0 5 8, 3 0 4</em> .
