For an amateur activity, there is one person left in every group of 8 people. If there is still one person left in a group of 10 people, what is the minimum number of people participating in the activity?
一次业余活动，每8人一组余1人，如果10人一组仍然余1人，参加活动至少多少人．
<gadget id="calculator">2 * 2 * 2 * 5</gadget>
<output>40</output>

<gadget id="calculator">40 + 1</gadget>
<output>41</output>

<result>41</result>