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

### Instruction:
Ryan wants to take 5 peanut butter sandwiches to the beach.  If each sandwich consists of 3 slices of bread how many slices does Ryan need to make 5 sandwiches?

### Response:
3 slices per sandwich * 5 sandwiches = <<3*5=15>>15 slices
#### 15