Below is an instruction that describes a task. Write a response that appropriately completes the request in Chinese. Please answer in Chinese.

### Instruction:
 苏琪买了6.5袋每袋重22公斤的咖啡豆。吉米买了4.5袋每袋重18公斤的咖啡豆。苏琪和吉米把他们的咖啡豆混合在一起，然后重新打包成每个容器8公斤。他们用了多少个容器？


### Response:
 苏琪 = 6.5 * 22 = <<6.5*22=143>>143公斤
吉米 = 4.5 * 18 = <<4.5*18=81>>81公斤
143 + 81 = 224公斤
224/8 = <<224/8=28>>28
他们用了28个容器。