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

### Instruction:
In order to train for his fights Rocky would run 4 miles on day one of training.  Rocky would double the miles for day 2, and triple the miles from day 2 for day 3.  How many miles did Rocky run in the first three days of training?

### Response:
Day 1:4
Day 2:2(4)=8
Day 3:8(3)=24
Total:4+8+24=<<4+8+24=36>>36 miles
#### 36