The cache is not at the posted coords...
Full series details can be found at GC7W8NK
This is a multi cache so visiting the coords posted is needed to then answer the Qs to enable you to get the coords.
Or you could use your unicorn skills to find this cache
At the posted coords you will find...
Looking Northwards, how many round complete Oast cowls can you see = A
Cache can be found at...
Checksum = 56
N51 (A) ((A+A+A)x(A+A+A)) . (A+A+A) (A+A) (A+A+A)
E0 ((A+A)x(A+A)) ((A+A+A)x(A+A)) . ((A+A)x(A+A+A)) (A+A+A+A+A+A+A) ((A+A+A)x(A+A+A))