The speed of a car is \(1\frac{1}{5}\) times the speed of a bus. A train covers 1200 km in 15 hours. How much distance will the car cover in 7 hours if the speed of the bus is \(1\frac{1}{4}\) times the speed of the train?
1
840 km
2
860 km
3
720 km
4
820 km