It is remarkable that you spotted the inaccuracy. You make a good point about it being wrong but not wrong enough.
OTOH, the correct answer by your reasoning is 44 barrels. For my purposes, 58 is right enough. I can't even visualize the difference between 44 and 58 barrels.
44 barrels is about 323 cubic feet (9.1 cubic meters). That's about the size of my bathroom.
57 tons in my tiny bathroom. Gallium is shockingly dense. Which makes sense.
OTOH, the correct answer by your reasoning is 44 barrels. For my purposes, 58 is right enough. I can't even visualize the difference between 44 and 58 barrels.
44 barrels is about 323 cubic feet (9.1 cubic meters). That's about the size of my bathroom.
57 tons in my tiny bathroom. Gallium is shockingly dense. Which makes sense.