A certain copper ore contains 2.32% of Cu2S by mass, and the remainder of the ore contains no copper. In a particular year, a single open-air smelt furnace heated 37000 tons of this ore. Compute the maximum mass of copper metal that could have been obtained by this process. (Clarification: The tons in this problem are English tons, with 1 ton = 2000 lb. You can answer in g, kg, or lb, but the computer does not understand tons as a unit for the answer.)

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