The distance between the two cities is 800 kilometers. A passenger train and a freight train depart from the two cities at the same time and meet each other 5 hours later. The speed of the truck is that of the passenger car (9/11), how many kilometers per hour is the passenger car traveling?
两城相距800千米，一列客车和一列货车同时从两个城市相对开出，5小时后相遇．货车的速度是客车的(9/11)，求客车每小时行多少千米？
<gadget id="calculator">800 / 5</gadget>
<output>160</output>

<gadget id="calculator">11 + 9</gadget>
<output>20</output>

<gadget id="calculator">11 / 20</gadget>
<output>11/20 = around 0.55</output>

<gadget id="calculator">160 * (11/20)</gadget>
<output>88</output>

<result>88</result>