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

### Instruction:
A boxer weighs 97 kg at 4 months from a fight. He is on a diet that allows him to lose 3 kg per month until the day of the fight. How much will he weigh on the day of the fight?

### Response:
 Kwa miezi 4, atapoteza kilo 3 x 4 = <<3*4=12>>12.
Hivyo uzito wake utakuwa 97 - 12 = <<97-12=85>>85 kilo.