A factory used to manufacture 1,600 machine parts, which is 20% less than it is now. How many parts are manufactured every day now?
一个工厂原来制造机器零件1600个，比现在少20%，现在每天制造多少个零件？
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 - (1/5)</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">1_600 / (4/5)</gadget>
<output>2_000</output>

<result>2_000</result>