A certain orchard produces 5,000 kilograms of fruit this year, an increase of 25% over last year. How many kilograms of fruit did it produce last year?
某果园今年产水果5000千克，比去年增产25%，去年产水果多少千克？
<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">5_000 / (5/4)</gadget>
<output>4_000</output>

<result>4_000</result>