An issue of a magazine contained the following statement. Dropping less than two inches per mile after emerging from the​ mountains, a river drains into the ocean. One​ day's discharge at its​ mouth, 7.27.2 trillion​ gallons, could supply all of country​ A's households for threethree months. Based on this​ statement, determine how much water an average household uses each month. Assume that there are 3300 million households in country A.