4км-2км 580м

To subtract 2 kilometers and 580 meters from 4 kilometers, we need to first convert all measurements to the same unit.

1 kilometer is equal to 1000 meters.

Therefore, 4 kilometers is 4 * 1000 = 4000 meters.

Now we can subtract 2 kilometers and 580 meters from 4 kilometers:

4000 meters - 2000 meters - 580 meters = 1420 meters

So, the result is 1 kilometer 420 meters.