Here's how to convert pints to fluid ounces:

* There are 16 fluid ounces in 1 pint.

* To find the total fluid ounces in 3.5 pints, multiply 3.5 by 16.

3.5 pints * 16 fluid ounces/pint = 56 fluid ounces

Therefore, 3.5 pints equals 56 fluid ounces.