There was a 6-way gymnastics team at the opening ceremony of the sports meeting. We only know that the team is 20 meters long, and the distance between the front and back is 1 meter. Find out how many people there are in this gymnastics team.
运动会开幕式上有一支6路纵队的体操队伍，只知道队伍共长20米，前后两人间都是相隔1米．求这体操队伍有多少人．
<gadget id="calculator">20 / 1</gadget>
<output>20</output>

<gadget id="calculator">20 + 1</gadget>
<output>21</output>

<gadget id="calculator">21 * 6</gadget>
<output>126</output>

<result>126</result>