The grain output of Daye City last year was 110,000 tons, an increase of 10% over the previous year. How many tons was the grain output of the previous year?
大冶市去年粮食产量是11万吨，比前年增产一成，前年的粮食产量是多少吨．
<gadget id="calculator">10 / 100</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">1 + (1/10)</gadget>
<output>11/10 = around 1.1</output>

<gadget id="calculator">11 / (11/10)</gadget>
<output>10</output>

<result>10</result>