The distance between two stations A and B is 360 kilometers. The bus and the truck start from station A to station B at the same time. The bus travels 60 kilometers per hour and the truck travels 40 kilometers per hour. After arriving at station B, the bus returns to station A at the same speed , met the truck, how many hours elapsed from departure to encounter?
甲乙两站相距360千米，客车和货车同时从甲站出发驶向乙站，客车每小时行60千米，货车每小时行40千米，客车到达乙站后又以原速立即返回甲站，与货车相遇，从出发到相遇共经过多少小时？
<gadget id="calculator">360 / 60</gadget>
<output>6</output>

<gadget id="calculator">40 * 6</gadget>
<output>240</output>

<gadget id="calculator">360 - 240</gadget>
<output>120</output>

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

<gadget id="calculator">120 / 100</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">(6/5) + 6</gadget>
<output>36/5 = around 7.2</output>

<result>36/5 = around 7.2</result>