题目

It’s about a Chinese family about a 10-year-old child. Role: A son and a mom.Time: A Sunday morning.Mom: Get up now! Get out of the bed. It’s already 7:00 now. Son: Mom. It’s Sunday. Let me stay for a while.Mom: No, you have piano class, English class, drawing class…Get up now. (seriously)Home after the classes.Mom: Honey, welcome back! You have finished homework, haven’t you? Son: In fact, eh, no…Mom: So?Son: All right.After a while.Son: Mom, I’ve done. I wanna play football for a while. Mom: No, just wait. You must play piano for two hours. Son: Eh, no, but I have played Noctur∠A=36°24′，∠A的余角度数为________．