From all the information you collected from Maccy's friends multiply, add, divide and subtract as stated.
The Cache is located at N 55 03.GHI W 001 29.JKL
Where
G = A x 4
H = B - 3
I = C - 3
J = D + 3
K = E - 6
L = F - 4
This cache is a must find because Maccy will get very angry and start calling you "Pure Evil".
He will also be very grateful for your help because he is Very hungry!!
Maccy is a very nice monkey but can sometimes get a bit carried a way and become very daft! 
Please put this cache back in the same place as it come froms because this is a popular place to come.
You can validate your puzzle solution with certitude.