John orders food for a massive restaurant. He orders 1000 pounds of beef for $8 per pound. He also orders twice that much chicken at $3 per pound. How much did everything cost? Give me reasons, before answering the question

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
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The beef cost $8 * 1000 = $8000. He buys 1000 * 2 = 2000 pounds of chicken. So the chicken cost 2000 * $3 = $6000. So the total cost is $8000 + $6000 = $14,000. So the final answer is 14000.