just use simple logic. the number actually double digit.
example (137.89 + 141.59 + 140.59)/3 = try your self :P
spoiler* i know you are lazy here the answer 140.023333
so always keep him at 139.7 or 139.6 for safety.
Last edited by Crisismana; 06-11-2017 at 03:39 AM.