At (1/2), (2/5), (3/8), (4/11), (5/14). , ... what is the 8th number in this column of numbers.
在(1/2)，(2/5)，(3/8)，(4/11)，(5/14)．，…这一列数中的第8个数是多少．
<gadget id="calculator">8 / 23</gadget>
<output>8/23 = around 0.347826</output>

<result>8/23 = around 0.347826</result>