Dahe Township has a bumper harvest of pears this year, with an annual output of 36,000 tons, an increase of 20% over last year. How many tons of pears does Dahe want to produce last year?
大河乡今年的梨大丰收，年产量达到3.6万吨，比去年增加两成，大河想去年产梨多少吨？
<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">3.6 / (6/5)</gadget>
<output>3</output>

<result>3</result>