根据下面的内容,编一个小故事,适当发挥,但要写出主要内容,一定字数,开头已给出,不计入总词数

One day,Wang dong goes to the park with his father.They meet Jim and his father.
Wang Dong says "dad,I'm a little cold".
His father says to him that he can go to the McDonald's to have a glass of hot milk,and then to have a big hamburgers.
At this time,Jim says to his father"dad,I'm cold too"
Jim's father told him to do some running in the park and then he will find warm.