In September 2014 the average price of gasoline in France was 1.54 euro/liter, and the exchange rate

Question:

In September 2014 the average price of gasoline in France was 1.54 euro/liter, and the exchange rate was $1.29 per euro (€). How much would you have paid, in dollars, for 50.0 kg of gasoline in France, assuming gasoline has a specific gravity of 0.71? What would the same quantity of gasoline have cost in the United States at the prevailing average price of $3.81/gal?

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...