Among all the integers from 1995 to 5895, how many integers have the tens digit and the ones digit the same?
从1995到5895的所有整数中，十位数字与个位数字相同的整数有多少个？
<gadget id="calculator">4 * 10 * 10</gadget>
<output>400</output>

<gadget id="calculator">1 - 11</gadget>
<output>-10</output>

<gadget id="calculator">400 + (-10)</gadget>
<output>390</output>

<result>390</result>