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

### Instruction:
 Ibrahim想要买一个价值120欧元的MP3播放器和一个价值19欧元的CD。他有55欧元的储蓄。他的父亲参与了他的购买，给了他20欧元。Ibrahim还缺多少钱？


### Response:
 购买的总价是120 + 19 = <<120+19=139>>139欧元。
储蓄的金额是55欧元。
他父亲的贡献金额是20欧元。
剩下的金额是139 - 55 - 20 = <<139-55-20=64>>64欧元。