Two vehicles, passenger and freight, drive from A to B at the same time. The passenger car travels 24 kilometers less than the truck per hour. After driving for 4 hours to reach B, the truck immediately returns on the same road and meets the passenger car at a distance of 60 kilometers from B. , How many kilometers per hour does the truck travel?
客、货两车同时从甲地开往乙地，客车每小时比货车少行24千米，货车行驶4小时到达乙地后立即按原路返回，在距离乙地60千米处与客车相遇，货车每小时行多少千米？
<gadget id="calculator">2 / 24</gadget>
<output>1/12 = around 0.083333</output>

<gadget id="calculator">60 * (1/12)</gadget>
<output>5</output>

<gadget id="calculator">5 - 4</gadget>
<output>1</output>

<gadget id="calculator">60 / 1</gadget>
<output>60</output>

<result>60</result>