A bus and a car drive from Guiyang to Chongqing at the same time, and the bus travels 75km per hour. After 2 o'clock, the car drove 50km longer than the passenger car. How many kilometers does the car travel per hour?
一辆客车和一辆轿车同时从贵阳开往重庆，客车每时行75km．经过2时后，轿车比客车多开了50km．轿车每时行多少千米？
<gadget id="calculator">50 / 2</gadget>
<output>25</output>

<gadget id="calculator">25 + 75</gadget>
<output>100</output>

<result>100</result>