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

### Instruction:
Harold had 100 marbles. He kept 20 marbles and shared the rest evenly among his 5 friends. How many marbles did each friend get?

### Response:
Harold shared 100 - 20 = <<100-20=80>>80 marbles with his friends.
Therefore, his 5 friends got 80/5 = <<80/5=16>>16 marbles each.
#### 16