Weather Observation Station 18

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    SELECT CAST((C+D) - (A+B) AS DECIMAL(10,4)) AS FCK FROM ( SELECT ROUND(MIN(LAT_N),4) AS A, ROUND(MIN(LONG_W),4) AS B, ROUND(MAX(LAT_N),4) AS C, ROUND(MAX(LONG_W),4) AS D FROM STATION) AS FCKING; =========================================259.6859=================