When a bus arrives at Oriental Square Station, (1/6) people get off, and then 5 people get on the bus. When returning, the number of people on the bus is the same as that on the bus. How many people were in the car?
一辆公共汽车到达东方广场站有(1/6)的人下车，接着又有5人上车，返时车上的人数和来一样多．原来车上有多少人？
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">5 / (1/6)</gadget>
<output>30</output>

<result>30</result>