A sugar factory produced 400 tons of white sugar last year and 480 tons of white sugar this year. How much more white sugar is produced this year than last year?
某糖厂去年生产白糖400吨，今年生产白糖480吨，今年生产白糖比去年多几分之几？
<gadget id="calculator">480 - 400</gadget>
<output>80</output>

<gadget id="calculator">80 / 400</gadget>
<output>1/5 = around 0.2</output>

<result>1/5 = around 0.2</result>