The price of a pair of pants is 200 yuan, and the price of a piece of clothing is cheaper (1/5) than that of the pants. What is the price of this piece of clothing?
一件裤子售价200元，一件衣服的售价比裤子便宜(1/5)，这件衣服的售价是多少元．
<gadget id="calculator">1 / 5</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">200 * (4/5)</gadget>
<output>160</output>

<result>160</result>