text: --     Author: Rodney Shaghoulian
  --     Github: github.com/RodneyShag
  -- HackerRank: hackerrank.com/RodneyShag
  
  SELECT
      ROUND(SQRT(
          POWER(MAX(LAT_N)  - MIN(LAT_N),  2)
        + POWER(MAX(LONG_W) - MIN(LONG_W), 2)
      ), 4)
  FROM 
      STATION;
  