The amount of unleaded gasoline sold every week at a gas station is best modeled according to the Normal distribution with a mean of 6000 gallons and a standard deviation of 175 gallons. The gas station wants to know how many gallons of unleaded gasoline it should receive each week so that it would run out of the unleaded gas no more than 4% of the time. How many gallons of unleaded gasoline should the gas station order each week? round your answer to the nearest whole number.