A garment factory originally cost 160 yuan to produce a set of garments. Due to the expansion of production scale, the cost of each set of garments has been reduced by 20%. How much does each suit cost now?
一个服装厂原来生产一套服装的成本是160元，由于扩大生产规模，使每套服装的成本降低了20%．现在每套服装的成本是多少元？
<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>128</output>

<result>128</result>