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

### Instruction:
Hazel and Razel are twins who share everything they receive. If Hazel received 6 shirts, while Razel received twice the number of shirts as Hazel. How many shirts do they have in total?

### Response:
 Razel alipokea mashati 6 x 2 = <<6*2=12>>12.
Hivyo, wana jumla ya mashati 12 + 6 = <<12+6=18>>18.