A farmer has a field that can produce 1200 kg of wheat. However, due to adverse weather conditions, the yield is expected to decrease by 25%. To compensate for the loss, the farmer decides to buy an additional piece of land that can produce 300 kg of wheat. How much total wheat will the farmer produce after accounting for the adverse weather conditions and the additional land? Let's think step by step and output the final answer within \boxed{}.
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