The paper mill planned to produce 1,600 tons of paper last year, but actually produced 1,800 tons of paper. What percentage was the actual overproduction?
造纸厂去年计划造纸1600吨，实际造纸1800吨，实际超产百分之几？
<gadget id="calculator">1_800 - 1_600</gadget>
<output>200</output>

<gadget id="calculator">200 / 1_600</gadget>
<output>1/8 = around 0.125</output>

<result>1/8 = around 0.125</result>