The real primary school students waiting for the bus lined up neatly, and Li Ming was among them. He counted the number of people in line and found that the number of people in front of him was 3/4 of the total number of people, and those behind him were (1/5) of the total number of people, what is Li Ming's ranking?
等候公共汽车的实小学生整齐地排成一排，李明也在其中，他数了数排队的人数，发现排在他前面的人数是总人数的(3/4)，排在他后面的是总人数的(1/5)，李明排在第多少名．
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 - (3/4) - (1/5)</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">1 / (1/20)</gadget>
<output>20</output>

<gadget id="calculator">20 * (3/4)</gadget>
<output>15</output>

<gadget id="calculator">15 + 1</gadget>
<output>16</output>

<result>16</result>