This year's wheat production in Yongsheng Township has increased by 25% compared to last year. This year's wheat production is 3,200 tons. How many tons was last year's wheat production?
永胜乡今年的小麦产量比去年增加25%，今年的小麦产量是3200吨，去年的小麦产量是多少吨？
<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 + (1/4)</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">3_200 / (5/4)</gadget>
<output>2_560</output>

<result>2_560</result>