The school is going to hold a broadcasting exercise competition. When Class 5 and Class 1 line up, there are 8 or 7 people in each line. How many people are there at least in this class?
学校要举行广播操比赛，五1班排队时每行8人或7人都正好排齐，这个班至少有多少人？
<gadget id="calculator">8 * 7</gadget>
<output>56</output>

<result>56</result>