The distance between A and B is 360 kilometers. The passenger car and the truck drive from A to B at the same time. The speed of the truck is 60 kilometers per hour, and the speed of the passenger car is 40 kilometers per hour. After the truck arrives at B, it stays for half an hour. Return to place A quickly, how many hours after starting from place A, the two cars meet.
甲乙两地相距360千米，客车和货车同时从甲地出发驶向乙地，货车速度是每小时60千米，客车速度每小时40千米，货车到达乙地后停留半小时，又以原速返回甲地，从甲地出发后多少小时两车相遇．
<gadget id="calculator">360 / 60</gadget>
<output>6</output>

<gadget id="calculator">6 + 0.5</gadget>
<output>6.5</output>

<gadget id="calculator">40 * 6.5</gadget>
<output>260</output>

<gadget id="calculator">360 - 260</gadget>
<output>100</output>

<gadget id="calculator">60 + 40</gadget>
<output>100</output>

<gadget id="calculator">100 / 100</gadget>
<output>1</output>

<gadget id="calculator">6.5 + 1</gadget>
<output>7.5</output>

<result>7.5</result>