624 Ok, break out the calculator. Time to do some work for yourself. There is 8 ounces in a cup. Soooo... 8 X 78 = 624
624 fluid ounces is equal to 78 cups.
156 cups
it equals 78 fluid ounces!
78 grams = 2.75 ounces.
78 grams is 2.5078 troy ounces.
1248 ounces is 78 pounds.
156 cups
That is 156 cups
That is 78 cups.
78 liters = 2,637.49 fluid ounces.
Impossible to say without knowing three things: the kind of container it's in, the ambient air temperature, and the starting temperature of the water. A cup of boiling water in a sealed thermos that someone put in an oven heated to 100 degrees will take far longer to cool to 78 degrees F (in fact, it never will cool to 78 degrees; it can't get any colder than the ambient air temp, which is 100 degrees) than a cup of 80-degree water in an aluminum canteen cup you stuck in the freezer.
1 litre = 4.22675284 US cups 78 litres = 329.68672152 US cups