group of monkeys organizes a mountain climbing competition. If each group is divided into 10 monkeys, there will be 2 less monkeys. If each group is divided into 12 monkeys, the division will be completed. However, if there are fewer groups, how many monkeys will participate in the competition?
一群猴子组织爬山比赛，如果按每组10只猴子分，则少了2只，如果按每组12只分，则刚好分完，但却少分一组，到底有多少只猴子参加比赛．
<gadget id="calculator">12 - 2</gadget>
<output>10</output>

<gadget id="calculator">12 - 10</gadget>
<output>2</output>

<gadget id="calculator">10 / 2</gadget>
<output>5</output>

<gadget id="calculator">5 * 10</gadget>
<output>50</output>

<gadget id="calculator">50 - 2</gadget>
<output>48</output>

<result>48</result>