Now on to the puzzle: Remember your order of operations, and symbols have meaning.
(5 x 103) + (60)2 / 10 + 4
103 - {(6 x 4 x 10) + 2}
Now replace the last digits of the posted coordinates with your new numbers There is no geo-checker so do your calculations carefully. Check your solution by looking on a map. Are you on a quiet county road near a tributary to the Olentangy River? Cache is approximately .52 miles from posted coordinates. Easy parking west of GZ.