How to multiply gallons, quarts and pints

• Convert gallons to pints by multiplying the number of gallons by 8.
• Convert quarts to pints by multiplying the number of quarts by 2.
• Add the above quantities and the number of original pints together.
• Perform the required multiplication to determine the number of pints.
• Convert the pints to gallons by dividing by 8.
• The quotient is the number of gallons and the remainder is the number of extra pints.
• Convert the extra pints to quarts by dividing the extra pints by 2.
• The quotient is the number of quarts and the remainder is the number of pints.

Example: Multiply 4 gallons 3 quarts and 1 pint times 5

• Convert 4 gallons to pints by multiplying 8 by 4:
  8 * 4 = 32 pints
• Convert 3 quarts to pints by multiplying 3 by 2:
  3 * 2 = 6 pints
• Add the pints from above and the number of original pints:
  32 + 6 + 1 = 39 pints
• Perform the required multiplication:
  39 * 5 = 195 pints
• Find the number of whole gallons by dividing by 8:
  195 ÷ 8 = 24 R 3
• Find the number of whole quarts by dividing the remainder by 2:
  3 ÷ 2 = 1 R 1
• The remainder of 1 is the number of pints.
• Answer: 24 gallons 1 quart and 1 pint