In the five-digit number, how many numbers are there that at least two numbers are equal and divisible by 10?
在五位数中，至少有两个数字相等，而且能被10整除的数有多少个．
<gadget id="calculator">9 * 10 * 10 * 10</gadget>
<output>9_000</output>

<gadget id="calculator">9 * 8 * 7 * 6</gadget>
<output>3_024</output>

<gadget id="calculator">9_000 - 3_024</gadget>
<output>5_976</output>

<result>5_976</result>