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

### Instruction:
A farmer living in the countryside has a certain number of children. One day, they followed him to the farm, each one with a bag to collect harvested apples. At the end of the day, each bag was filled with 15 apples each. On their way back home, 2 of the children have eaten 4 apples each and another child sold 7 of his apples. If they had a total of 60 apples left by the time they got home, how many children does the farmer have?

### Response:
 Baadhi ya watoto waliuza au kutoa tufaha 4 kila mmoja, ambayo inafanya 2 watoto * 4 tufaha = <<4*2=8>>8 tufaha.
Mtoto mwingine alitoa tufaha 7 zaidi, ambayo inafanya 8 + 7 = <<8+7=15>>15 tufaha ziliondolewa.
Kulikuwa na tufaha 60 zilizobaki baada ya hizi, hivyo jumla ya awali lazima ilikuwa 15 + 60 = <<15+60=75>>75 tufaha.
Kila mtoto alikusanya tufaha 15, hivyo kuna watoto 75 / 15 = <<75/15=5>>5.