The 2012 Primary School Special Issue of "World Olympic Games Training" published by the "World Olympic Games Organizing Committee" has 116 pages. In its page numbers, how many times does the number "3" appear in total?
由"世奥赛组委会"出版的《世界奥赛训练》2012年小学专刊有116页，在它的页码中，数字"3"共出现了多少次．
<gadget id="calculator">12 + 10</gadget>
<output>22</output>

<result>22</result>