There are 280 students in the sixth grade of Chunguang Primary School participating in the military training. They stand in a row of 14 people, with an interval of 2 meters between each row. They plan to cross the bridge with a total length of 1002 meters at a speed of 40 meters per minute. How many minutes will it take?
春光小学六年级有280人参加军训，他们每14人站一行，前后每行间隔2米，计划以每分钟40米的速度通过全长1002米的大桥，需要多少分钟？
<gadget id="calculator">280 / 14</gadget>
<output>20</output>

<gadget id="calculator">20 - 1</gadget>
<output>19</output>

<gadget id="calculator">19 * 2</gadget>
<output>38</output>

<gadget id="calculator">38 + 1_002</gadget>
<output>1_040</output>

<gadget id="calculator">1_040 / 40</gadget>
<output>26</output>

<result>26</result>