A truck and a passenger car drive toward each other at the same time from two places 910 kilometers apart, and the two cars meet in 6.5 hours. The passenger car travels an average of 74 kilometers per hour, how many kilometers per hour does the truck travel?
一辆货车和一辆客车从相距910千米的两地同时相向而行，6.5小时两车相遇．客车平均每小时行驶74千米，货车每小时行驶多少千米？
<gadget id="calculator">910 / 6.5</gadget>
<output>140</output>

<gadget id="calculator">140 - 74</gadget>
<output>66</output>

<result>66</result>