Zhang Dabo's rice output this year is 20% higher than last year's, and this year's output is equivalent to last year's.
张大伯今年水稻产量比去年增产20%，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>