On one side of the road, a sycamore tree was planted at an interval of 8 meters. Xiaojun rode a bicycle for 5 minutes and saw a total of 251 trees. How many meters does Xiaojun ride per minute?
公路的一边每相隔8米栽一棵梧桐树，小军骑自行车5分钟共看到251棵树．小军每分钟骑多少米？
<gadget id="calculator">251 - 1</gadget>
<output>250</output>

<gadget id="calculator">8 / 5</gadget>
<output>8/5 = around 1.6</output>

<gadget id="calculator">250 * (8/5)</gadget>
<output>400</output>

<result>400</result>