A bus goes down when it stops halfway (1/6), and then 12 people come up, and at this time there are 6 people less than before, how many people are on the bus at this time?
一辆公交车中途停站时下去(1/6)，后来又上来12人，这时比原来少6人，这时车上有多少人？
<gadget id="calculator">12 + 6</gadget>
<output>18</output>

<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">18 / (1/6)</gadget>
<output>108</output>

<gadget id="calculator">108 - 6</gadget>
<output>102</output>

<result>102</result>