suit is priced at 880 yuan, and the promotional activity during the Spring Festival is a 20% discount. After the discount, how much can you save by buying this suit?
一套西装标价880元，春节期间的优惠活动是打八折，打折后购买这套西装可以便宜多少元．
<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">1 - (4/5)</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">880 * (1/5)</gadget>
<output>176</output>

<result>176</result>