Maria is planning a road trip that covers a total distance of 900 kilometers. Her car consumes fuel at a rate of 8 liters per 100 kilometers. If the fuel tank of her car holds 50 liters when full, how many full tanks of fuel will Maria need to complete her trip, and how much fuel will be left in the tank at the end of the trip? Let's think step by step and output the final answer within \boxed{}.
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