Xiling Township has a bumper harvest of oranges this year, with an annual output of 36,000 tons, an increase of 20% over last year. How many tons of oranges were produced last year?
西岭乡今年橘子大丰收，年产量达到3.6万吨，比去年增产了两成，去年橘子的产量是多少万吨？
<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>