There is a column of fractions: (1/2), (1/3), (2/3), (1/4), (2/4), (3/4), (1/5) Then, the column What is the 80th number of .
有一列分数：(1/2)，(1/3)，(2/3)，(1/4)，(2/4)，(3/4)，(1/5)那么，这列数的第80个是多少．
<gadget id="calculator">14 / 1</gadget>
<output>14</output>

<gadget id="calculator">2 / 14</gadget>
<output>1/7 = around 0.142857</output>

<result>1/7 = around 0.142857</result>