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

### Instruction:
The Donaldsons pay $15 per hour for babysitting. The Merck family pays $18 per hour and the Hille family pays $20 per hour for babysitting. Layla babysat for the Donaldsons for 7 hours, the Merck family for 6 hours and the Hille family for 3 hours. How many dollars did Layla earn babysitting?

### Response:
 Donaldsons hulipa $15/saa = 15*7 = $<<15*7=105>>105.
Familia ya Merck hulipa $18/saa = 18*6 = 108.
Familia ya Hille hulipa $20/saa = 20*3 = <<20*3=60>>60.
Jumla ya kiasi Layla alipata ni 105 + 108 + 60 = <<105+108+60=273>>273.
Layla alipata $273 kwa kulea mtoto.