Preschool math concepts

So today I witnessed, not for the first time, a preschoolers concept of time. As I was waiting patiently for my 3yr old to use the toilet I had to hold onto her panties (don't ask!) I figured out with my first child that pulling your underwear down but not completely removing it it a skill that apparently takes even longer than the actual potty training. When I asked her how long I had to hold them for she answered with a very prompt and definate "for 100 whiles." Huh? I then asked "well, how long is '100 whiles?'" To which her response was to open up one hand and count five fingers, answering with "It's 5!" I am still not sure how long 5 fingers is and even less clear on how long "100 whiles" is but now I have a better idea of why, when I tell the kids that we are leaving in 5 minutes, after 5 minutes they STILL do not have their shoes and coats on! Maybe I need to start telling them we are leaving in 5 "whiles!"