This multi will require you to get information from 2 locations the first (Stage 1) is a grave from a soldier and the 2nd (Stage 2) is the Gordon Stone. Near the Gordon Stone is the Lest we forget monument which is worth a look as well.
STAGE 1 - War Soldier Double Grave
A) What day did Neil McLean Wife Die
B) subtract the Year Colin McLean was killed with the year he was born, multiply the answer by 4, and add 4
STAGE 2 - Gordon Stone
C) Multiple the Month the Battle was Fought with the Month the Plaque was Unveiled and subtract the Month the Plaque was Unveiled
D) Find the last 3 digits of the year the Battle was fought and add 65
FINAL COORDINATES:
N57 A.B W002 C.D