The total output of rice in Yongfeng Township last year was 780 tons, 20% more than the total output of wheat. What is the total output of wheat in tons?
永丰乡水稻去年总产量是780吨，比小麦总产量多20%，小麦总产量是多少吨．
<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">780 / (6/5)</gadget>
<output>650</output>

<result>650</result>