A joke on the stage

One day, the teacher asked Xiao Ming, "What is 1+ 1?" Xiao Ming said, "I don't know!" " The teacher said, "Go home and ask your parents." Xiao Ming went home and asked his father who was looking at the stock. Xiao Ming said, "What is Dad 1+ 1?" "It's gone up." Xiao Ming asked his mother again. She was reading a book and said, "Clinton." Xiaoming went to ask grandpa again. Grandpa sang and said, "Forward! Forward! " Xiaoming went to ask his brother again. His brother was eating sorbet and said, "How cool!" "Xiao Ming asked his sister again. She was dating and said, "honey, let's go together!" "The next day, the teacher asked Xiao Ming," How much did you get from 1+ 1? " Xiao Ming said, "It's gone up!" The teacher said angrily, "Who told you!" Xiao Ming said, "Clinton!" The teacher said to Xiaoming, "Stand in the back!" Xiao Ming said, "Go ahead! Forward! " After class, the teacher asked Xiaoming, "How does it taste?" Xiao Ming said, "That's cool!" The teacher said, "Go to my office!" Xiao Ming said, "honey, let's go together!" " "