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

### Instruction:
There are 4 alligators living on a golf course in Florida. If the number of alligators doubles every six months, how many alligators will there be at the end of a year?

### Response:
First figure out how many times the alligator population doubles in one year by dividing the number of months in a year by the number of months it takes the population to double: 12 months / 6 months = <<12/6=2>>2. The alligator population doubles twice.
Next, figure out how big the alligator population is after the first doubling by multiplying the starting population by 2: 4 alligators * 2 = <<4*2=8>>8 alligators
Finally, figure out how big the alligator population is after the second doubling by multiplying the newly doubled population by 2: 8 alligators * 2 = <<8*2=16>>16 alligators
#### 16