Recycling 2 tons of waste paper can produce 1600 kilograms of recycled paper. According to this calculation, how many kilograms of recycled paper can be produced by recycling 5 tons of waste paper.
回收2吨废纸可生产再生纸1600千克，照这样计算，回收5吨废纸可以生产再生纸多少千克．
<gadget id="calculator">1_600 / 2</gadget>
<output>800</output>

<gadget id="calculator">800 * 5</gadget>
<output>4_000</output>

<result>4_000</result>