A passenger car and a truck depart from A and B, which are 560 kilometers apart, in opposite directions at the same time, and the distance is still 60 kilometers after 4 hours. The passenger car travels 60 kilometers per hour, how many kilometers per hour does the truck travel?
客车和货车同时从相距560千米的甲乙两地相向开出，4小时后还相距60千米．客车每小时行60千米，货车每小时行多少千米？
<gadget id="calculator">560 - 60</gadget>
<output>500</output>

<gadget id="calculator">500 / 4</gadget>
<output>125</output>

<gadget id="calculator">125 - 60</gadget>
<output>65</output>

<result>65</result>