On a parallel path next to the railway, a group of pedestrians and a cyclist are traveling south at the same time. The speed of the pedestrians is 3.6 kilometers per hour, and the speed of the cyclists is 10.8 kilometers per hour. At this time, a train came from behind them. It took 22 seconds for the train to pass by pedestrians and 26 seconds to pass by cyclists. How long is the body of this train?
铁路旁一条平行小路上，有一行人与一骑车人同时向南行进，行人速度为每小时3.6公里，骑车人速度为每小时10.8公里．这时有一列火车从他们背后开过来，火车通过行人用22秒钟，通过骑车人用26秒钟．这列火车的车身长多少米？
<gadget id="calculator">3 - 1</gadget>
<output>2</output>

<gadget id="calculator">1 / 22</gadget>
<output>1/22 = around 0.045455</output>

<gadget id="calculator">1 / 26</gadget>
<output>1/26 = around 0.038462</output>

<gadget id="calculator">(1/22) - (1/26)</gadget>
<output>1/143 = around 0.006993</output>

<gadget id="calculator">2 / (1/143)</gadget>
<output>286</output>

<result>286</result>