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

### Instruction:
 山姆按照比例2:1:3将一笔钱分给了他的三个表姐桑德拉、艾米和鲁思。如果艾米得到了50美元，桑德拉得到了多少钱？


### Response:
 桑德拉: 艾米 * 2 = <<50*2=100>>100美元