The passenger car and the truck start from A and B at the same time, go towards each other, and meet each other after 10.5 hours. When they meet, the truck travels 60.9 kilometers longer than the passenger car. If the passenger car travels an average of 50.2 kilometers per hour, how many kilometers per hour does the truck travel on average?
客车和货车同时从甲、乙两地出发，相向而行，10.5小时后相遇，相遇时货车比客车多行驶60.9千米．如果客车平均每小时行驶50.2千米，那么货车平均每小时行驶多少千米？
<gadget id="calculator">60.9 / 10.5</gadget>
<output>5.8</output>

<gadget id="calculator">50.2 + 5.8</gadget>
<output>56</output>

<result>56</result>