If 221037 passengers travel everyday through Ha Noi airport, 451944 passengers travel through Hai Phong airport, 930154 passengers travel through Ho Chi Minh City airport, and 886947 passengers travel through airport. How many passengers in total travel through these four cities everyday?
James drove 52.297 km to visit his grandmother. When he reached his grandmother's house he noticed that the car had used up 4.82 liters of petrol. How many kilometers did he travel per liter of petrol?