The school holds a sports meeting. There are 180 people participating in the guard of honor at the entrance ceremony. There are 6 people in a row, and the distance between the two rows is 1 meter. How many meters is the captain of the guard of honor?
学校举行运动会，参加入场式仪仗队的共有180人，每6人一行，前后两行间隔1米，这个仪仗队长多少米？
<gadget id="calculator">180 / 6</gadget>
<output>30</output>

<gadget id="calculator">30 - 1</gadget>
<output>29</output>

<gadget id="calculator">29 * 1</gadget>
<output>29</output>

<result>29</result>