Recycling 1 ton of waste paper can produce 500 kg of recycled paper. If each person recycles 1 kilogram of waste paper per day, and there are 8 classes in the fourth grade, with 50 students in each class, then how many kilograms of recycled paper can be produced by recycling the waste paper in 10 days in the fourth grade.
回收1吨废纸能生产再生纸500千克．如果每人每天回收1千克废纸，四年级有8个班，每班同学50人，那么四年级10天回收的废纸大约能生产多少千克再生纸．
<gadget id="calculator">1 * 1_000</gadget>
<output>1_000</output>

<gadget id="calculator">10 / 1_000</gadget>
<output>1/100 = around 0.01</output>

<gadget id="calculator">50 * 8 * 1 * (1/100) * 500</gadget>
<output>2_000</output>

<result>2_000</result>