public static void SetupTank(ref Tank setupTank, int soldierAmount, int tankDistance) { var totalDistance = 0.0; for (var i = 0; i < setupTank.AmountOfTrips(soldierAmount); i++) { totalDistance += setupTank.Move(tankDistance); } setupTank.TotalFuelConsumption = totalDistance * setupTank.FuelConsumption / 100; }