There were two hot dogs left when I put the package away.
I toasted buns for said hot dogs.
There were two buns left when I put that package away.
As this was the first time we'd had hot dogs or buns in the house for a very long time - this means there were the same number of buns in the package as there were hot dogs.
When I realized this, I froze, one corner of an eye twitching as my brain struggled to grasp this blatant shattering of an eternal, immutable law of the universe....