Xiao Jia is on a long-distance trip by car, and the distance between the starting point and the destination is 34,500 kilometers. In order to ensure driving safety, Xiao Jia prepares a spare tire on the car and replaces the tires regularly so that the wear of each tire is the same. When he arrived at the destination, how many kilometers did each tire actually travel?
小贾驾车进行长途旅行，出发地与目的地之间相距34500千米，为了保证行车安全，小贾在车上准备了一个备用轮胎，并规律性地更换轮胎，使得各个轮胎磨损相同．当他到达目的地时，每个轮胎实际行了多少千米．
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">34_500 * (4/5)</gadget>
<output>27_600</output>

<result>27_600</result>