The numbers 1447, 1005, and 1231 have some common characteristics. Each number is a four-digit number starting with 1, and there are exactly two numbers in each number that are the same. How many such numbers are there?
数1447、1005、1231有一些共同特征，每个数都是以1开头的四位数，且每个数中恰好有两个数字相同，这样的数共有多少个？
<gadget id="calculator">3 * 9 * 8</gadget>
<output>216</output>

<gadget id="calculator">216 + 216</gadget>
<output>432</output>

<result>432</result>