CREATE TABLE table_64008 ("Serial No." FLOAT, "District" TEXT, "Headquartered City" TEXT, "City Population  ( 2009 ) " FLOAT, "City Area ( km 2  ) " FLOAT)

What was the total city area for vehari city with a serial number bigger than 36?
SELECT COUNT("City Area(km 2 )") FROM table_64008 WHERE "Headquartered City" = 'vehari city' AND "Serial No." > '36'
SELECT COUNT("City Area(km 2 )") FROM "table_64008" WHERE "Headquartered City" = 'vehari city' AND "Serial No." > '36'