A fertilizer factory produces 2,000 tons of fertilizer this year, which is (5/2) of last year's output. How many tons of fertilizer did you produce last year?
一个化肥厂，今年生产化肥2000吨，是去年产量的(5/2)．去年生产化肥多少吨？
<gadget id="calculator">5 / 2</gadget>
<output>5/2 = around 2.5</output>

<gadget id="calculator">2_000 / (5/2)</gadget>
<output>800</output>

<result>800</result>