One gallon of gasoline in an automobile's engine produces on average 9.50 kg of carbon dioxide, which is a greenhouse gas; that is, it promotes the warming of Earth's atmosphere. Calculate the annual production of carbon dioxide in kilograms if there are exactly 40.0 million cars in the United States and each car covers a distance of 4870 mi at a consumption rate of 24.2 miles per gallon. Be sure your answer has the correct number of significant digits.