例：38＋29=

38＋2=40

40＋27=67

Every year people celebrate the Spring Festival in China．Usually it is in January or February．It's the most important(重要的)festival in China．So before it comes，everyone buys many things，and they often make a special kind of food called dumplings-It means"come together"．Parents always buy new clothes for their children and children also buy presents for their parents．On the Spring Festival eve(除夕)，all the family members come back home. They sing, dance and play cards．When they enjoy the meal，they give each other the best wishes for the coming year．They all have a good time。

请你根据上表制作折线统计图。