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

### Instruction:
Jack has four plates with a flower pattern and 8 plates with a checked pattern. He buys new twice as many polka dotted plates as the number of checked plates he currently has, then smashes one of the flowered plates. How many plates does he have left?

### Response:
 Jack ananunua 2 * 8 = <<2*8=16>>16 sahani zenye muundo wa polka dot.
Kisha anabakiwa na sahani 4 + 16 + 8 = <<4+16+8=28>>28
Baada ya kuvunja moja, anabakiwa na sahani 28 - 1 = <<28-1=27>>27 sahani.