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

### Instruction:
 Familia ilinunua sanduku moja la pizza ambalo limekatwa katika vipande 16. Chini ya robo tatu ya pizza ilikuliwa na familia. Vipande vingapi vya pizza vilisalia?


### Response:
 Familia ilikula vipande 16 x 3/4 = <<16*3/4=12>>12 vya pizza.
Hivyo, vilisalia vipande 16 - 12 = <<16-12=4>>4 vya pizza.