Wang Gang participated in the long-distance race of the Nanjing Primary School Athletic Games. At this time: 1. He ran the whole distance (3/5); 2. He exceeded the midpoint (1/10); 3. There are still 320 meters away from the end. Based on the above information, how many meters of long distance race did he participate in?
王刚参加南京市小学生田径运动会长跑比赛．这时：1他跑了全程的(3/5)；2超过中点(1/10)；3距离终点还有320米．根据以上信息，他参加的是多少米的长跑比赛？
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">1 - (3/5)</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">320 / (2/5)</gadget>
<output>800</output>

<result>800</result>