John's new computer cost $1500. He needs to get a monitor and other peripherals that cost 1/5 that much. He also wants to upgrade the $300 video card in the base computer with one that costs twice as much. How much did he spend? Let's think first. Chain of thought:
The peripherals cost 1500 / 5 = $300. The video card cost 300 * 2 = $600. So it cost 600 - 300 = $300 more. That means the total cost was 1500 + 300 + 300 = $2100.
Therefore, the answer is 2100.