 
 <prompt> Roberta rẹ $158 pẹlu ọlọpọ ọja si ọja lati ni ilé-iṣẹ. O ti fi $45 si awọn aṣọ titẹ, $17 diẹ ni si awọn ẹran miiran, ati ọkan-ọkun ti owo ti awọn ẹran fun lẹhin. Níbi ti o ti ṣe awọn iṣẹ wọn wọn? <response>: Roberta's bag costs $45 - $17 = $28.
Roberta spend $28 / 4 = $7 on lunch.
Roberta spend 45 + 28 + 7 = 80 in total.
Roberta has $158 - 80 = $78 left.

The final answer: 78. 