If a PlayStation 3 costs 20,000 yen in Japan, how much will it cost in U.S. dollars

Question:

If a PlayStation 3 costs 20,000 yen in Japan, how much will it cost in U.S. dollars if the exchange rate is

(a) 110 yen = $1?

(b) 1 yen = $0.009?

Exchange Rate
The value of one currency for the purpose of conversion to another. Exchange Rate means on any day, for purposes of determining the Dollar Equivalent of any currency other than Dollars, the rate at which such currency may be exchanged into Dollars...