In the promotion activity to celebrate "May 1st", the price of a product is 5,500 yuan, and the financial subsidy is 13%, so how much will it cost to buy this product.
在庆祝"五•一"的促销活动中，某商品的价钱是5500元，财政补贴13%，那么购买这件商品要花费多少元钱．
<gadget id="calculator">13 / 100</gadget>
<output>13/100 = around 0.13</output>

<gadget id="calculator">1 - (13/100)</gadget>
<output>87/100 = around 0.87</output>

<gadget id="calculator">5_500 * (87/100)</gadget>
<output>4_785</output>

<result>4_785</result>