The distance between A and B is 470 kilometers. A bus and a truck start from the two places at the same time and go towards each other. 76 kilometers per hour, how many kilometers per hour does the bus travel?
甲乙两地之间的距离是470千米，一辆客车和一辆卡车同时从两地出发相向而行，途中客车因为加油停了半小时，结果卡车3.2小时以后和客车相遇，已知卡车每小时行76千米，客车每小时行多少千米？
<gadget id="calculator">76 * 3.2</gadget>
<output>243.2</output>

<gadget id="calculator">470 - 243.2</gadget>
<output>226.8</output>

<gadget id="calculator">3.2 - 0.5</gadget>
<output>2.7</output>

<gadget id="calculator">226.8 / 2.7</gadget>
<output>84</output>

<result>84</result>