The original price of a certain brand of mobile phone is 5,800 yuan, and the discount is 20% during the festival. How much is the price during the festival?
某品牌手机，原价5800元，节日期间优惠20%，节日期间的价格是多少元？
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 - (1/5)</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">5_800 * (4/5)</gadget>
<output>4_640</output>

<result>4_640</result>