Some useless information: A regular hexagon occurs when all of the angles are equal on all six sides. An irregular hexagon can be made in a number of different ways as long as the shape has six straight sides.
The cache is not at the listed coords
Solve the puzzle to obtain the final location

Make your answer "A" in the following formula:
S 33 58.((1348 / A) + ((A x 12) - 48))
E 25 36.(645 - (15 x A))