6 + 2y = 8 so y = what

Mary works for a company that ships packages and must measure the size of each box that needs to be shipped. mary measures a box and finds the length is 7 inches, the width is 14 inches, and the height is 15 inches. what is the volume of the box? [type your answer as a number.]

Just tell me how to set up the equation.

How do i solve uniform motion problems?