The paper mill completed 45% of the annual papermaking task in the first five months of this year, and can complete the annual task by reproducing 1650 tons. How many tons of paper does the paper mill plan to produce this year?
造纸厂今年前五个月完成全年造纸任务的45%，再生产1650吨就可以完成全年任务．造纸厂今年计划造纸多少吨？
<gadget id="calculator">45 / 100</gadget>
<output>9/20 = around 0.45</output>

<gadget id="calculator">1 - (9/20)</gadget>
<output>11/20 = around 0.55</output>

<gadget id="calculator">1_650 / (11/20)</gadget>
<output>3_000</output>

<result>3_000</result>