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

### Instruction:
 Ali ana duka dogo la maua. Alouza maua 4 Jumatatu, maua 8 Jumanne na Ijumaa, aliuza mara mbili ya maua aliyouza Jumatatu. Aliuza maua mangapi?


### Response:
 Hadi sasa, Ali ameuza maua 4 + 8 = <<4+8=12>>12.
Ijumaa, Ali aliuza maua 2 * 4 = <<2*4=8>>8.
Jumla, Ali aliuza maua 12 + 8 = <<12+8=20>>20.