Xiao Ke sat near the window, and the train drove from the south end of the bridge to the north end. It took a total of 80 seconds; Xiao Ke timed the time according to his electronic watch, and it took 25 seconds from the first telegraph pole to the 11th telegraph pole. If the distance between every two adjacent electric poles on the roadside is 50 meters, what is the length of the bridge in meters?
小克坐在靠近窗口位置，火车从大桥的南端驶向北端，共需时80秒；小克便根据自己的电子表计时，由第一根电线杆到第11根电线杆用了25秒，如果路旁每两根相邻电线杆的间隔为50米，请问大桥的长度是多少米？
<gadget id="calculator">11 - 1</gadget>
<output>10</output>

<gadget id="calculator">25 / 10</gadget>
<output>5/2 = around 2.5</output>

<gadget id="calculator">80 / (5/2)</gadget>
<output>32</output>

<gadget id="calculator">32 * 50</gadget>
<output>1_600</output>

<result>1_600</result>