A local restaurant offers a daily lunch special of one sandwich, one side, and a drink for $8.50. for the sandwich, customers can choose from chicken salad, turkey, and egg salad. for the side, customers are offered potato chips, salad, or fruit. and for the drink, customers can choose between, iced tea, diet cola, regular cola, and bottled water.

how many different ways can customers combine the options from the restaurant to create a unique lunch?