The people waiting for the bus lined up at a certain stop sign, and Liu Bing was also standing in the line. He counted and found that the people in front of him were the total number (2/3), and the people behind him were (1/4) of the total number, how many people are there in line?
等候公共汽车的人在某站牌处排成一排，刘冰也站在队伍中，他数了数发现排在他前面的人是总数的(2/3)，排在他后面的人是总数的(1/4)，排队的一共有多少人？
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 - (2/3) - (1/4)</gadget>
<output>1/12 = around 0.083333</output>

<gadget id="calculator">1 / (1/12)</gadget>
<output>12</output>

<result>12</result>