June 5th is the World Environmental Protection Day, and the fifth grade students participated in the environmental protection promotion activities. If there are groups of 8 or 7 students in this class, there will be 2 more students. How many students will participate in the publicity activities at least?
六月五日是世界环保日，五年级同学参加环保宣传活动．该班同学如果每8人一组或每7人一组，结果都多2人，参加宣传活动的同学至少有多少人？
<gadget id="calculator">7 * 8</gadget>
<output>56</output>

<gadget id="calculator">56 + 2</gadget>
<output>58</output>

<result>58</result>