This year's output has increased by 20% compared to last year's output, that is to say, this year's output is the same as last year's
今年的产量比去年的产量增加了20%，就是说今年的产量是去年的多少
<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>