The fifth grade dance team lined up, and the row of 5 or 6 people just finished. How many people are there at least in this dance team?
五年级舞蹈队排队，5人一排或6人一排刚好排完，这个舞蹈队至少有多少人？
<gadget id="calculator">5 * 6</gadget>
<output>30</output>

<result>30</result>