A passenger car and a truck depart from two places 360 kilometers apart at the same time. It is known that the passenger car is 10 kilometers faster than the truck per hour. After 2.4 hours, the two cars meet. How many kilometers per hour does the truck travel?
客车和货车同时从相距360千米的两地相对开出，已知客车每小时比货车快10千米，经过2.4小时两车相遇，货车每小时行多少千米？
<gadget id="calculator">360 / 2.4</gadget>
<output>150</output>

<gadget id="calculator">150 - 10</gadget>
<output>140</output>

<gadget id="calculator">140 / 2</gadget>
<output>70</output>

<result>70</result>