Akash travelling to his office from home everyday, and return to his home on the same way without going anywhere. If the distance between the office and his home is 4 \(km\), then find the total distance and displacement he travelling everyday.
I) The total distance Akash travelled \(=\) \(km\).
[Note: Round off the answer and submit in single decimal].
II) The displacement \(=\) \(km\).