The total output of green vegetables in a certain county this year is 8,000 tons, an increase of (1/9) compared with last year. How many tons was the total output of green vegetables in this county last year?
某县今年绿色蔬菜总产量8000吨，比去年增产了(1/9)．去年这个县绿色蔬菜总产量是多少吨？
<gadget id="calculator">1 / 9</gadget>
<output>1/9 = around 0.111111</output>

<gadget id="calculator">1 + (1/9)</gadget>
<output>10/9 = around 1.111111</output>

<gadget id="calculator">8_000 / (10/9)</gadget>
<output>7_200</output>

<result>7_200</result>