Xinhua Paper Mill produced 48,000 tons of paper last year, and the output in the first eight months of this year is equal to the output of the whole year of last year. If so, how many tons will the average monthly output of this year increase compared with last year?
新华造纸厂去年造纸4.8万吨，今年前8个月的产量就等于去年全年的产量，照这样，今年的平均月产量比去年增产多少万吨？
<gadget id="calculator">4.8 / 8</gadget>
<output>0.6</output>

<gadget id="calculator">4.8 / 12</gadget>
<output>0.4</output>

<gadget id="calculator">0.6 - 0.4</gadget>
<output>0.2</output>

<result>0.2</result>