You are hit by what you think is a cow, but realize it is a smart car. You know the first three digits of the plate are 911, and also the last three letters of the plate which are 'why', but do not recall in what order the letters or the numbers are read. You also know the car has a plate that has the first three entries as digits, and the last three as letters. How many possible plates must the police investigate? 36 600 100

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