A chemical fertilizer factory produced 5,000 tons of fertilizer last year, and 7,000 tons this year. What percentage is more produced this year than last year?
某化肥厂去年生产化肥5000吨，今年生产化肥7000吨，今年比去年多生产百分之几？
<gadget id="calculator">7_000 - 5_000</gadget>
<output>2_000</output>

<gadget id="calculator">2_000 / 5_000</gadget>
<output>2/5 = around 0.4</output>

<result>2/5 = around 0.4</result>