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

### Instruction:
Eddy’s spider plant produces 2 baby plants 2 times a year.  After 4 years, how many baby plants will the mother plant have produced?

### Response:
The mother plant produces 2*2=<<2*2=4>>4 plants a year.
After 4 years, it will produce 4*4=<<4*4=16>>16 baby plants.
#### 16