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

### Instruction:
Austin bought his seven friends each a robot. Each robot costs $8.75.  He was charged $7.22 total for tax. He left with $11.53 in change. How much did Austin start with?

### Response:
 Kabla ya kodi, Austin alitumia $8.75*7=$<<8.75*7=61.25>>61.25
Pamoja na kodi alitumia $61.25+$7.22=$<<61.25+7.22=68.47>>68.47
Alipata $11.53 kama mabadiliko hivyo alianza na $68.47+$11.53=$<<68.47+11.53=80>>80