Children do radio gymnastics in groups, whether it is 9 people in each group or 6 people in each group, it must be divided exactly. The total number of children participating in radio gymnastics is not less than 50. Do you know at least how many children will participate?
小朋友分组做广播体操，无论是每组9人，还是每组6人都要正好分完，参加广播体操的小朋友的总人数不低于50人，你知道至少有多少小朋友参加吗？
<gadget id="calculator">2 * 3 * 3</gadget>
<output>18</output>

<gadget id="calculator">18 * 3</gadget>
<output>54</output>

<result>54</result>