3 gallons 2 quarts and one cup is equal to how many ounces

1 gallon = 128 ounces

1 quart = 32 ounces
1 cup = 8 ounces

3 gallons = 3 * 128 = 384 ounces
2 quarts = 2 * 32 = 64 ounces
1 cup = 8 ounces

384 + 64 + 8 = 456 ounces

Therefore, 3 gallons 2 quarts and 1 cup is equal to 456 ounces.