The Co-ordinates above are for the nearby area, The cache itself, which is a small clip top box (with camo of course) can be found by decoding the puzzle below and then applying the Math!
Good luck and have fun.
.
Black = AB
White = CD
Blue = EFG
Red = HIJ
Green = KLM
Orange = NOP
N (I+J)xNx2 {(P+O) x C}/I . [{(L+J-O) x (GxB - CxD)}+L]xA (+1)
W 00{L-(K+B)} (PxB)-N .[{(LxJxG)/I} xF] {(M+H+E) + (White/2)-G}(-7)