That is 36 cups.
1 pt = 2 c 9 pt x 2c/pt = 18 cups
.....
10 cups = 5 US pints
no 6 cups
2
6 pints = 12 cups.
Six cups equals three pints.
1.5 pint = 3 cups
1 pint equals 2 cups, so 4 pints equals 8 cups.
That is 24 cups.
There are two US cups in one US pint of (anything, really). So, if you had two pints, there would be four cups. (1 pt. = 2 cups, 1 pt. + 1 pt = 2 cups + 2 cups = 4 cups = 2 pts.)