The original price of a children's suit in Dongfeng Shopping Center was 125.90 yuan, but the promotional price for celebrating "June 1st" was 98.80 yuan. How much is it cheaper?
东风商场的一款儿童套装原来售价是125.90元，庆"六一"促销价是98.80元，便宜了多少钱？
<gadget id="calculator">125.9 - 98.8</gadget>
<output>27.1</output>

<result>27.1</result>