The Bermuda Triangle, also known as the Devil's Triangle, is a loosely defined region, where a number of aircraft and ships are said to have disappeared under mysterious circumstances. The triangle's three vertices are in Miami, Florida peninsula; in San Juan, Puerto Rico; and in the mid-Atlantic island of Bermuda.

The distance from Miami to Bermuda is 1668 km.
The distance from Miami to Puerto Rico is 1663 km.
The distance from Puerto Rico to Bermuda is 1571 km.
Estimate the surface area of the famous triangle.