Amit was driving in New Town, where all roads either north-south or east-west forming a grid. Roads were at a distance of 1 km from each other in parallel.
Amit started at the intersection of streets no. 7 and 8. He drove 3 km north, 3 km west and 4 km south. After this Amit drove 4 km east and 1 km north. How far is he from his starting point?