A and B are running together. A runs 1250 meters, which is 80 meters more than twice the distance of B. How many meters did B run?
甲、乙两人一起跑步．甲跑1250米，比乙的路程的2倍多80米．乙跑多少米？
<gadget id="calculator">1_250 - 80</gadget>
<output>1_170</output>

<gadget id="calculator">1_170 / 2</gadget>
<output>585</output>

<result>585</result>