Burger King has a new series of sandwiches called “stackers“. It’s a cheeseburger with bacon (and fairly tasty, as fast-food burger go).

They come in three sizes: single, double, and triple. The single is $1, the double $2, and the triple $3.

What do you get on the sandwich? A bun, patty, cheese, sauce, and bacon. What about on the double? A bun, 2 patties, two cheeses, sauce, and bacon. The triple adds another patty and cheese.

Nifty. So for the cost of two single burgers, you get less bread and sauce. If you’re trying to cut-down on carbs, or don’t like the sauce much, that’s cool. But if you’re looking to maximize your caloric intake for dollar output, buy three singles and not one triple.