The school’s New Year’s Day celebration plans to place 19 colored flags between two teaching buildings 120 meters apart. The distance between every two adjacent colored flags is equal. What is the distance between two adjacent colored flags?
学校元旦庆祝会准备在两栋相距120米的教学楼之间插19面彩旗，每相邻两面彩旗之间的距离相等，相邻两面彩旗之间的距离是多少？
<gadget id="calculator">19 + 1</gadget>
<output>20</output>

<gadget id="calculator">120 / 20</gadget>
<output>6</output>

<result>6</result>