On Children's Day, the Jurong Tianyi Shopping Mall's children's clothing department held a promotional event, and all children's clothing was sold at a 20% discount. Xiaotian's mother wants to buy a set of clothes for Xiaotian. The original price of the jacket is 48 yuan, and the original price of the trousers is 65 yuan. How much does it cost to buy this suit on June 1st?
六一儿童节那天，句容天一商场童装部搞优惠活动，所有童装降价20%出售．小甜的妈妈要给小甜买一套衣服，上衣原价48元，裤子原价65元．六一节这天买这套衣服需付多少钱？
<gadget id="calculator">48 + 65</gadget>
<output>113</output>

<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">113 * (4/5)</gadget>
<output>452/5 = around 90.4</output>

<result>452/5 = around 90.4</result>