104834in cubed is 453.83 US gallons
without knowing the actual lengths of the shallow and deep ends, nothing more than a very loose ballpark number is possible.
If it is 4 inches deep/thick, 2 cubic yards. If it is 6 inches deep/thick, 3 cubic yards.
Approximately 54 gallons when it's a foot deep.
That depends on how DEEP you want the concrete !
three
My answer would be 18.75 gallons
489.76 gallons of water.
21.76 US gallons of water.
About 17,204 gallons.
About 15,293 gallons.
17,204 gallons.
About 7,600 gallons
15,954 US gallons of water.
44.88 gallons
66 gallons
3416 gallons
28,913 US gallons.