Complex sentence: The imperial fluid ounce is defined as of an imperial gallon; there are four quarts in a gallon, two pints in a quart, and 20 fluid ounces in an imperial pint.
Split into simpler sentences: The imperial fluid ounce is defined as of an imperial gallon. There are four quarts in a gallon, two pints in a quart, and 20 fluid ounces in an imperial pint.