A license plate has a three-digit number printer on it. The product of the digits is 210, their sum is 18, and the numbers appears in descending order from left to right. What is the license plate number?

A license plate has a three-digit number printer on it. The product of the digits is 210, their sum is 18, and the numbers appears in descending order from left to right. What is the license plate number?


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