A group of cyclists are doing pre-competition training on a narrow road. They are driving forward at a speed of 25 kilometers per hour. Suddenly athlete A leaves the group and travels forward at a speed of 55 kilometers per hour for 10 kilometers. Then turn back, drive at the same speed, and join the group again. Find the time it takes for player A to rejoin the team after leaving the team.
一组自行车运动员在一条不宽的道路上作赛前训练，他们以每小时25千米的速度向前行驶，突然运动员甲离开小组，以每小时55千米的速度向前行驶10千米，然后转回来，以同样的速度行驶，重新和小组汇合．求运动员甲从离开小组到重新和小组汇合所用的时间．
<gadget id="calculator">10 / 55</gadget>
<output>2/11 = around 0.181818</output>

<gadget id="calculator">25 * (2/11)</gadget>
<output>50/11 = around 4.545455</output>

<gadget id="calculator">10 - (50/11)</gadget>
<output>60/11 = around 5.454545</output>

<gadget id="calculator">25 + 55</gadget>
<output>80</output>

<gadget id="calculator">(60/11) / 80</gadget>
<output>3/44 = around 0.068182</output>

<gadget id="calculator">(2/11) + (3/44)</gadget>
<output>1/4 = around 0.25</output>

<result>1/4 = around 0.25</result>