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

### Instruction:
 Eric ana mabulinge 20. Ana mabulinge meupe 12, mabulinge ya buluu 6, na mabulinge ya kijani mengine. Eric ana mabulinge ya kijani mangapi?


### Response:
 Eric ana jumla ya mabulinge meupe na ya buluu 12 + 6 = <<12+6=18>>18.
Hivyo, ana mabulinge ya kijani 20 - 18 = <<20-18=2>>2.