What score did you get with 〜の
Grammar Explanation: Reasoning with 〜のだ

After failing a test at school, Usagi drowns her sorrows at the arcade. She returns home late and finds her mother expecting her.
- お母さん:
- 「さっき そこで海野
( クンに会( ったわよ。海野( くんテストで95点( だったって」- “I saw Umino a while ago. He said he scored 95 points on a test.”
- 「で、うさぎは何店
( だったの? 」- “So, what was your score, Usagi?”
- Literal: “So, it is that your score is how many points, Usagi?”
- “I saw Umino a while ago. He said he scored 95 points on a test.”
Key Points
だったの? asks for the missing explanation
The mother already knows Usagi had a test, so の asks her to fill in the unknown result.
何点
( asks for a score何点
( asks how many points or what score.