The distance between the two cities is 550 kilometers. One passenger and two trucks depart from the two cities at the same time. The passenger car is 10 kilometers faster than the truck per hour. The speed of the truck is (5/6) the speed of the passenger car. How many hours after the two cars leave meet?
两个城市相距550千米，一客货两车同时从两个城市相对开出，客车每小时比货车快10千米，货车速度是客车速度的(5/6)，两车出发后几小时相遇？
<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">1 - (5/6)</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">10 / (1/6)</gadget>
<output>60</output>

<gadget id="calculator">60 * (5/6)</gadget>
<output>50</output>

<gadget id="calculator">50 + 60</gadget>
<output>110</output>

<gadget id="calculator">550 / 110</gadget>
<output>5</output>

<result>5</result>