Both shopping malls A and B sell a batch of children's sportswear at a price of 80 yuan a set. Shopping mall A sells them at an additional price of 20 yuan on the basis of the wholesale price, while shopping mall B sells them at an additional price (1/5). Which mall has the highest price? How high is it?
甲、乙两个商场都以80元一套的价格批发回一批儿童运动装，甲商场在批发价的基础上加价20元出售，乙商场加价(1/5)出售．哪个商场的售价高？高多少？
<gadget id="calculator">80 + 20</gadget>
<output>100</output>

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 + (1/5)</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">80 * (6/5)</gadget>
<output>96</output>

<gadget id="calculator">100 - 96</gadget>
<output>4</output>

<result>4</result>