A: Hi, I would like to exchange some foreign currency. What is
the exchange rate between Chinese Yuan and U.S. dollars?
B: Our buying rate today is six hundred and twenty Yuan per
hundred dollars.
A: Alright. So how much should I pay for eight hundred dollars?
B: It will be four thousand nine hundred and sixty Yuan. Plus a
service fee of three percent, the purchase will be five thousand
one hundred and eight point eight Yuan in total.
A: OK.