The rice output of Southwest Village this year is 2.4 tons, which is 20% more than last year. How many tons of rice was produced last year?
西南村今年水稻产量2.4吨，比去年增产二成，去年水稻产量是多少万吨？
<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">2.4 / (6/5)</gadget>
<output>2</output>

<result>2</result>