To find this cache you need to visit the cache Alphabet K - Killer Puzzle (GCMHCT) first. There you will find the values of A and B.
The given coordinates point to a building that is unique in Finland in many respects, e.g., purpose, architecture, and construction quality standards. The building was completed in 2006.
Find out the name of the organization that owns the building. Let the Finnish name of the organization have S words and K letters.
The cache is located 0.355 * A * K * S meters to the true bearing of 9.363 * B * K/S degrees from the given coordinates of the building.