On a road parallel to the railway, a pedestrian and a cyclist are moving in the same direction. The pedestrian walks 1 meter per second, and the cyclist walks 3 meters per second. On the railway, there is a column behind the two. When the train comes, it takes 22 seconds for the train to pass the pedestrians, and 26 seconds for the train to pass the cyclists. How long is this train in meters?
在与铁路平行的公路上，一个步行的人和一个骑自行车的人同向前进，步行人每秒走l米，骑车人每秒走3米，在铁路上，从这两人后面有列火车开来，火车通过行人用了22秒，通过骑车人用了26秒．这列火车全长多少米？
<gadget id="calculator">26 * 3</gadget>
<output>78</output>

<gadget id="calculator">78 - 22</gadget>
<output>56</output>

<gadget id="calculator">26 - 22</gadget>
<output>4</output>

<gadget id="calculator">56 / 4</gadget>
<output>14</output>

<gadget id="calculator">14 - 1</gadget>
<output>13</output>

<gadget id="calculator">13 * 22</gadget>
<output>286</output>

<result>286</result>