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

### Instruction:
James has 28 marbles.  He puts them into 4 bags.  He puts the same number in each bag.  He then gives one bag away.  How many marbles does James have left?

### Response:
 James ana mabulinge 28 / mabegi 4 = <<28/4=7>>7 mabulinge kwa kila begi.
James ana mabulinge 28 - 7 mabulinge = <<28-7=21>>21 mabulinge yaliyobaki.