The total output of green vegetables in a county this year is 7.92 million kilograms, which is an increase (1/10) compared with last year. How many million kilograms was the total output of green vegetables in the county last year?
一个县今年绿色蔬菜总产量是792万千克，比去年增产(1/10)，去年全县绿色蔬菜总产量是多少万千克？
<gadget id="calculator">1 / 10</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">792 / (11/10)</gadget>
<output>720</output>

<result>720</result>