There are 48 people in class 5 and 1, and they line up in two columns on average to participate in the broadcasting exercise performance. The distance between the front and back is 1 meter. How long is the team in their class?
五1班有48人，平均排成两路纵队参加广播操表演，前后两人之间的间隔是1米．他们班的队伍长多少米．
<gadget id="calculator">48 / 2</gadget>
<output>24</output>

<gadget id="calculator">24 - 1</gadget>
<output>23</output>

<gadget id="calculator">23 * 1</gadget>
<output>23</output>

<result>23</result>