A car and a passenger car drive from A to B at the same time. After driving for 3.5 hours, the car arrives at B, and the bus is 77 kilometers away from B. A car travels 80 kilometers per hour, how many kilometers per hour does a passenger car travel?
一辆小汽车和一辆客车同时从甲地开往乙地，行驶3.5小时，小汽车到达乙地，客车距乙地还有77千米．小汽车每小时行80千米，客车每小时行多少千米？
<gadget id="calculator">80 * 3.5</gadget>
<output>280</output>

<gadget id="calculator">280 - 77</gadget>
<output>203</output>

<gadget id="calculator">203 / 3.5</gadget>
<output>58</output>

<result>58</result>