I needed help to figure this problem out. If a tutor can help me please that would be great!

Assume Saudi Arabia and the United States face the production possibilities for oil and cars shown in the table. Saudi Arabia United States Quantity of oil Quantity of cars Quantity of oil Quantity of cars (millions of barrels) (millions) (millions of barrels) (millions) 200 3 100 7.5 600 1 300 2.5 Now suppose that the United States and Saudi Arabia specialize in producing the good in which each has a comparative advantage and then trade. Also assume that for each country, the value of imports equals the value of exports. What is the total quantity of oil produced by both countries? What is the total quantity of cars produced by both