The output of apples in a certain area this year is 60,000 tons, an increase of 20% over last year. How many tons was the output last year?
某地区今年苹果的产量是6万吨，比去年增加二成．去年的产量是多少万吨？
<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">6 / (6/5)</gadget>
<output>5</output>

<result>5</result>