Divya goes to her college (\(B\)) by bike every day. The distance between her college and home (\(A\)) is 21 km. But one day her bike is repaired at point (\(C\)) shown in the figure. So she took a cab to reach her school. If she traveled 7 km in a cab, then calculate how many kilometers she traveled with her bike?
The total distance Divya travelled by her bike \(=\) \(km\).
[Note: The above figure is only represented to understand the question, it is not denoted the actual scale.]