02/21/2012 06:04 pm ET Updated Dec 06, 2017

"I'm Going Food Shopping (At 5 Different Stores)!" (VIDEO)

What's the prime number for food shopping?

By which I mean:

What's the fewest number of stores you can possibly go to and get everything you need?

Most weeks, I go to at least three stores. Some weeks, it's five. If I throw in a specialty store (liquor, bakery, drug store), it's upwards of seven.

Now you do the math ...