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

### Instruction:
Three years ago, Rosie purchased an art piece for $4000. The same art piece will be three times as much in another three years. How much money will the art piece have increased by?

### Response:
 Ikiwa kipande cha sanaa kilinunuliwa kwa $4000 miaka mitatu iliyopita, tayari kimeongezeka kwa $4000*3 = $<<4000*3=12000>>12000 katika miaka mitatu.
Ikiwa kipande cha sanaa kitakuwa mara tatu ya bei yake ya ununuzi baada ya miaka mingine mitatu, kitakuwa na thamani ya $4000*3 = $<<4000*3=12000>>12000
Bei ya kipande cha sanaa itaongezeka kwa $12000-$4000 = $<<12000-4000=8000>>8000