The total wheat output of a county this year is 350,000 tons, an increase of 12% over last year. How many tons was the county's total wheat output last year?
一个县今年小麦总产量是35万吨，比去年增产12%，去年全县小麦总产量是多少万吨？
<gadget id="calculator">12 / 100</gadget>
<output>3/25 = around 0.12</output>

<gadget id="calculator">1 + (3/25)</gadget>
<output>28/25 = around 1.12</output>

<gadget id="calculator">35 / (28/25)</gadget>
<output>125/4 = around 31.25</output>

<result>125/4 = around 31.25</result>