The fertilizer factory produced 2.7 million tons of fertilizer last year, an increase of 8% over the previous year. How many tons of fertilizer were produced last year and the year before?
化肥厂去年生产化肥270万吨，比前年增产了8%，去年和前年共生产化肥多少吨？
<gadget id="calculator">8 / 100</gadget>
<output>2/25 = around 0.08</output>

<gadget id="calculator">1 + (2/25)</gadget>
<output>27/25 = around 1.08</output>

<gadget id="calculator">270 / (27/25)</gadget>
<output>250</output>

<gadget id="calculator">250 + 270</gadget>
<output>520</output>

<result>520</result>