What was the question for this implicit rationale, and corresponding answer?
Scarlet spent $23 + $48 = $71 for the jewelry. So, She was left with $80 - $71 = $9 on her savings.
 The answer: 9
The question: Scarlet saved $80 to spend on jewelry. She bought a pair of earrings that cost $23. Then, she bought a necklace that cost $48. How much of her savings have left?