There are 125 fifth-grade students in a certain school participating in the entrance ceremony of the sports meeting. There are 5 people in a row, and the distance between each row is 2 meters.
某校五年级学生有125人参加运动会入场式，他们每5人一行，前后每行间隔为2米，主席台长42米，他们以每分钟45米的速度通过主席台，需要多少分钟．
<gadget id="calculator">125 / 5</gadget>
<output>25</output>

<gadget id="calculator">25 - 1</gadget>
<output>24</output>

<gadget id="calculator">24 * 2</gadget>
<output>48</output>

<gadget id="calculator">48 + 42</gadget>
<output>90</output>

<gadget id="calculator">90 / 45</gadget>
<output>2</output>

<result>2</result>