During the "May 1st" period in Meile Shopping Center, all products will be sold at a 20% discount. The original price of a video camera is 7,100 yuan, and the original price of a box of video discs is 50 yuan. Uncle Zhang wants to buy a video camera and 8 boxes of video CDs. How much does it cost in total?
美乐购物中心"五一"期间所有商品都按八折出售．一部摄像机原价7100元，一盒录像光盘原价50元．张叔叔想买一部摄像机和8盒录像光盘，一共需要多少钱？
<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">7_100 * (4/5)</gadget>
<output>5_680</output>

<gadget id="calculator">50 * 8 * (4/5)</gadget>
<output>320</output>

<gadget id="calculator">5_680 + 320</gadget>
<output>6_000</output>

<result>6_000</result>