Plaza needs to fill 8 jugs and one jugs fills with 4 pints of water, so Plaza needs:
[tex]\frac{4\text{ pints of water}}{1\text{ jug}}\cdot8jugs=4\cdot8\text{ pints of water = 32 pints of water}[/tex]He needs 32 pints of water. In 32 there is 32 * 4 quarts = 128 quarts