Some students from class 5.1 participated in the tree planting activity. 27 people have already come, and 6 people are divided into groups.
五•一班部分同学参加植树活动，已经来了27人，6个人分成一组，至少还要来几个人，才能正好分完？
<gadget id="calculator">5 * 6</gadget>
<output>30</output>

<gadget id="calculator">30 - 27</gadget>
<output>3</output>

<result>3</result>