6 feet = 1 fathom, so 36,198 ft = 6,033 fathoms
A league has a variety of definitions. Variation is not only country-to-country, but also by land and sea, and by use in fiction (20,000 Leagues Under the Sea) and non-fiction. At sea, it is generally taken to be 3 nautical miles, which is now defined in SI units as 5556 meters, or 18,228.34645669... feet.
Using Google as the unit converter to leagues, the depth is about ...
... 1.99 leagues.
