The people waiting for the bus lined up neatly at a certain stop sign, and Qiangqiang was also standing among them. He counted and found that the number of people in front of him was 3/4 of the total number of people, and those behind him The number of people is (1/5) of the total number of people. Counting from front to back, what is the strong ranking?
等候公共汽车的人在某站牌处整齐的排成一列，强强也站在其中，他数了数，发现排在他前面的人数是总人数的(3/4)，排在他后面的人数是总人数的(1/5)．从前往后数，强强排在第多少位．
<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>