If Robert's current caching streak is 1020 days and he continues to find a cache every day for the next 843 days, what will be the new number of days for his caching streak? The last 3 digits of this number are CDE in the puzzle.
If Robert's current puzzle caching streak is 398 days and he decides to quit his puzzle cache streak at 408 days, how many more daily puzzle caches must Robert find to reach this goal? This number is AB in the puzzle.
Stealth required. This area can be quite busy at times