Among all natural numbers from 1994 to 4884, how many integers have the same tens digit and ones digit?
从1994到4884的所有自然数中，十位数字与个位数字相同的整数有多少个．
<gadget id="calculator">1 * 10 * 10</gadget>
<output>100</output>

<gadget id="calculator">1 * 10 * 7</gadget>
<output>70</output>

<gadget id="calculator">1 + 100 + 100 + 70</gadget>
<output>271</output>

<result>271</result>