Wednesday's Wondering

We have all had those moments when we think or ponder on something, but we chose to just keep thinking about it, even when there are no real easy answers. One of my favorites is contemplating why "The answer to life, the universe, and everything is 42". Okay, truthfully, I am a Douglas Adams fan. 

So today, the wondering for this week is straight out of "Mr. Magorium's Wonder Emporium". Why is there never the same amount of hot dogs as there are hot dog buns, in the packages?