There are 402 students from a certain elementary school going on a spring outing. They line up in two columns. The distance between the front and back rows is 0.5 meters. The team advances 56 meters per minute. On the way, they have to pass a bridge with a length of 572 meters. The team goes from the first row on the bridge to the last. How many minutes does it take for a row to leave the bridge?
某小学有学生402人去春游，排成两种纵队，前后两排之间相距0.5米，队伍每分钟前进56米，路上要通过一座长572米的桥，队伍从第一排上桥到最后一排离开桥共多少分钟．
<gadget id="calculator">402 / 2</gadget>
<output>201</output>

<gadget id="calculator">201 - 1</gadget>
<output>200</output>

<gadget id="calculator">200 * 0.5</gadget>
<output>100</output>

<gadget id="calculator">100 + 572</gadget>
<output>672</output>

<gadget id="calculator">672 / 56</gadget>
<output>12</output>

<result>12</result>