When Xiao Ming calculated an addition formula, he missed the 0 in the unit digit of an addend, and the result was 108 less than the correct result. Do you know what this addend originally was?
小明在计算一道加法算式时，把一个加数个位上的0漏看了，结果比正确的得数少了108．你知道这个加数原来是多少吗？
<gadget id="calculator">10 - 1</gadget>
<output>9</output>

<gadget id="calculator">108 / 9</gadget>
<output>12</output>

<gadget id="calculator">12 * 10</gadget>
<output>120</output>

<result>120</result>