The school is going to buy 25 sets of performance costumes, which are sold in two clothing stores, A and B, and the price is 80 yuan each, and there are discounts. A clothing store sells at a 15% discount, B clothing store sells no more than 10 sets at the original price, and sells more than 10 sets at a 20% discount. Which clothing store to choose is more economical? How much would you save compared to buying at another clothing store?
学校准备购买25套演出服装，甲、乙两家服装店都有销售，标价都是每套80元，并且都有优惠．甲服装店打八五折出售，乙服装店不超过10套的按原价出售，超过10套的，超过的部分打八折出售．选择哪家服装店购买更省钱？比在另外一家服装店购买省多少钱？
<gadget id="calculator">10 * 80</gadget>
<output>800</output>

<gadget id="calculator">25 - 10</gadget>
<output>15</output>

<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">15 * 80 * (4/5)</gadget>
<output>960</output>

<gadget id="calculator">800 + 960</gadget>
<output>1_760</output>

<gadget id="calculator">85 / 100</gadget>
<output>17/20 = around 0.85</output>

<gadget id="calculator">80 * 25 * (17/20)</gadget>
<output>1_700</output>

<gadget id="calculator">1_760 - 1_700</gadget>
<output>60</output>

<result>60</result>