This year's income has increased by (1/6) compared to last year, and this year's income is last year's ((())/(())).
今年的收入比去年增加了(1/6)，今年的收入是去年的((())/(()))．
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">1 + (1/6)</gadget>
<output>7/6 = around 1.166667</output>

<result>7/6 = around 1.166667</result>