5, 1) Classmates participate in extracurricular activities, in groups of 5 or 6, there is one more person, at least how many people are there in this class.
5,1)班同学参加课外活动，按5人一组或6人一组，都多出1人，这个班至少有多少人．
<gadget id="calculator">5 * 6</gadget>
<output>30</output>

<gadget id="calculator">30 + 1</gadget>
<output>31</output>

<result>31</result>