Wangguan Village produced 68.5 tons of corn last year, an increase of 25% over the previous year. How many tons of corn does Wangguan Village produce annually?
王官村去年产玉米68.5吨，比前年增产二成五．王官村前年产玉米多少吨？
<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">68.5 / (5/4)</gadget>
<output>54.8</output>

<result>54.8</result>