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

### Instruction:
John buys 3 spools of wire that are 20 feet each.  It takes 4 feet to make a necklace.  How many necklaces can he make?

### Response:
 Ana futi 60 za waya. Hiyo ni 60/4 = <<60/4=15>>15 mikufu.