The distance between A and B is 370 kilometers. A passenger car and a truck leave opposite to each other at the same time. After 3 hours, the distance between the two cars is still 10 kilometers. It is known that the truck travels 40 kilometers per hour, how many kilometers per hour does the passenger car travel?
甲乙两地相距370千米，客车和货车同时从两地相对开出，3小时后两车还相距10千米．已知货车每小时行40千米，客车每小时行多少千米？
<gadget id="calculator">370 - 10</gadget>
<output>360</output>

<gadget id="calculator">360 / 3</gadget>
<output>120</output>

<gadget id="calculator">120 - 40</gadget>
<output>80</output>

<result>80</result>