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Have you ever eaten in a foreign restaurant?

Yes, I have.

Where?

McDonald's in Hawaii.

What did you eat?

I ate fried potatoes and drank coke.

Did you make any mistakes? Please explain your experience. Did you learn anything?

Yes.
I ordered chicken nugget.
The clerk asked me 'Six?'.
I couldn't understand what is six.
I thought six is cost.
So, I gave her six dollar.
But she was confused.
I was confused, too.
The another clerk who could speak Japanese appeared.
This problem was solved.
Six means the number of chicken nuggets.