A printer is 586 yuan, a computer is 8 times more expensive than a printer, and a digital video camera is 2960 yuan more expensive than a computer. How much does it cost to buy a digital video camera?
一台打印机586元，一台电脑的价钱是打印机的8倍，而一架数码摄像机比一台电脑贵2960元．买一架数码摄像机需要多少元？
<result>7_640</result>