Mary wants to mix sparkling soda and fruit punch to make a beverage. The recipe says, “Mix 1 cup of sparkling soda with 2 quarts of fruit punch to make a beverage.” The ratio of sparkling soda to fruit punch is 1:8.

Mary should mix _____ fluid ounce(s) of sparkling soda with 72 fluid ounces of fruit punch to make her beverage.