A clothing factory now costs 160 yuan to produce a set of clothes, which is 20% less than before. How much money is saved for each set of clothes now?
一个服装厂现在生产一套服装的成本是160元，比原来节约了20%，现在每套服装节约了多少元？
<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">160 / (4/5)</gadget>
<output>200</output>

<gadget id="calculator">200 - 160</gadget>
<output>40</output>

<result>40</result>