Which product is modeled by the number line below? A number line going from negative 8 to positive 8. An arrow goes from 0 to negative 2, from negative 2 to negative 4, from negative 4 to negative 6, and from negative 6 to negative 8.

(negative 3) (4)
(negative 2) (4)
(2) (4)
(3) (4)