Math isn't my strong suit, but I know what a 6" sandwich plus a free 4" sandwich from Gator Jack's equals; a full and satisfied appetite on some of the best ingredients stuffed between two pieces of bread you can get.
Buy a 6" Combo Meal & get a 4" Sandwich free
Buy two 4" Combos and get an 8" sandwich free
Buy any 8" combo meal and get Monkey Bread with cream cheese frosting free