Shanda Shopping Plaza held its 10th anniversary celebration, and all products will be sold at 15% off. The original price of a bicycle is 380 yuan. How much can you save by buying a bicycle during the store celebration?
盛大购物广场举行10周年庆典，所有商品一律八五折销售．一辆自行车原来的售价是380元，店庆期间买一辆自行车可以节省多少元．
<gadget id="calculator">85 / 100</gadget>
<output>17/20 = around 0.85</output>

<gadget id="calculator">1 - (17/20)</gadget>
<output>3/20 = around 0.15</output>

<gadget id="calculator">380 * (3/20)</gadget>
<output>57</output>

<result>57</result>