That's easy. Two hundred is twice one hundred...
6 seconds sound clip from the Willy Wonka & the Chocolate Factory movie soundboard.
You can hear this line at 00:31:11 in the Blu-ray version of the movie.
Quote context
[...]
- You, Madeline Durkin, how many Wonka Bars did you open?
- There are ten hundreds in a thousand. Therefore you opened ten percent.
- You, Peter Goff, how many did you open?
- That's ten percent half over again, which makes fifteen percent.
- Charlie Bucket. How many did you open?
- Two.
- That's easy. Two hundred is twice one hundred...
- Two? What do you mean you only opened two?
- I don't care very much for chocolate.
- Well I can't figure out just two, so let's pretend you opened two hundred.
[...]