A certain farmer had a good harvest of Chinese cabbage this year. The piece of land he contracted harvested a total of 6,000 kilograms of Chinese cabbage, an increase of 20% compared with last year.
某农户今年大白菜喜获丰收，他承包的一块地共收获大白菜6000千克，比去年增产二成，去年这块地产大白菜多少千克．
<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>

<gadget id="calculator">6_000 / (6/5)</gadget>
<output>5_000</output>

<result>5_000</result>