The fertilizer factory produces 15 million tons of fertilizer this year, 3 million tons more than last year. What percentage of the fertilizer produced this year is last year?
化肥厂今年生产化肥1500万吨，比去年多生产300万吨．今年生产的化肥是去年的百分之几？
<gadget id="calculator">1_500 - 300</gadget>
<output>1_200</output>

<gadget id="calculator">1_500 / 1_200</gadget>
<output>5/4 = around 1.25</output>

<result>5/4 = around 1.25</result>