Zhang, Wang, Li, and Zhao each bought a sports lottery ticket, and only one of them won the prize. The last three digits of the winning number are exactly a perfect square number (it can be written as the product of two identical integers, such as 225=15* 15=15**2). It is known that the last three digits of Zhang's lottery ticket are 1□7, the last three digits of Wang's lottery ticket are □65, the last three digits of Li's lottery ticket are 4□1, and the last three digits of Zhao's lottery ticket are □80, then the winner What is the last three digits of the number.
张、王、李、赵四人各买了一张体育彩票，他们中只有一人中奖，中奖号码的最后三位恰是一个完全平方数(可以写成两个相同整数的积，如225=15*15=15**2)．已知张得彩票最后三位数是1□7，王的彩票最后三位数是□65，李的最后三位数是4□1，赵的彩票最后三位数是□80，则中奖的号码的最后三位数是多少．
<gadget id="calculator">21 * 21</gadget>
<output>441</output>

<result>441</result>