The cache is not at this location. You will need to complete the Tiny Doors for Tiny People Adventure Lab to obtain all the information that you need to calculate the final.
https://adventurelab.page.link/BzTV
The cache is located at :-
South 27° 28.(Medieval + Music Store) Music Store (Van Gogh + Neoclassical)
East 153° 00.(Neoclassical *2 -Van Gogh) (Neoclassical + Fire Station) (Medieval + Music Store + Fire Station)