Suki bought 6.5 bags of coffee beans that each weighed 22 kilograms. Jimmy bought 4.5 bags of coffee beans that each weighed 18 kilograms. Suki and Jimmy combined their coffee beans and then repackaged them into 8-kilogram containers. How many containers did they use? Let's be accurate as possible.

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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Suki = 6.5 * 22 = 143 kg. Jimmy = 4.5 * 18 = 81 kg. 143 + 81 = 224. 224 / 8 = 28. They used 28 containers.
The answer: 28.