This year's output is 20% higher than last year's, that is, how much this year's output is equivalent to last year's
今年产量比去年增加20%也就是今年产量相当于去年的多少
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 + (1/5)</gadget>
<output>6/5 = around 1.2</output>

<result>6/5 = around 1.2</result>