A car is equipped with 4 tires and 1 spare tire. The driver uses these 5 tires in rotation so that the travel distance of each tire is the same. The car has traveled a total of 3200 kilometers, how many kilometers has each tire traveled on average?
一辆小轿车，装有4个轮胎，还有1个备用轮胎，司机轮换使用这5只轮胎，使每只轮胎行程相同．小车共行驶了3200千米，每只轮胎平均行驶了多少千米？
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">3_200 * (4/5)</gadget>
<output>2_560</output>

<result>2_560</result>