THIS IS AN ADVENTURE LAB BONUS
To be able to find this cache you will have to complete my adventure lab cache; Art pieces in the Archipelago
Anyhow, if you've come here to get the coordinates for the bonus cache, you're in the right place. To get the coordinates you will have to use all the numbers you got in the adventure locations after you solved them, it says in each location's description after you complete them (you can also look back after you left the completion screen).
N59 AA.(BB+CC) E018 DD.(EE+350)
The parantheses aren't meant to symbolize that you should multiply anything, it just shows that you should count that first.
Put those coordinates in the checker below.
You can validate your puzzle solution with
certitude.