There is a car with 4 new tires and a spare new tire. Assume that each tire wears evenly when the car is running, and each tire can only travel 50,000 kilometers. So, with these tires, how many kilometers can this car go at most?
有一辆汽车，配有4个新轮胎，另有一个备用的新轮胎．假设汽车行驶时每一个轮胎受到的磨损是均匀的，且每个轮胎只能行驶50000千米．那么，使用这些轮胎，这辆汽车最多能行驶多少千米？
<gadget id="calculator">4 + 1</gadget>
<output>5</output>

<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">50_000 / (4/5)</gadget>
<output>62_500</output>

<result>62_500</result>