请你阅读下面一段小短文,用大约50个词给出小故事的结局.

请你阅读下面一段小短文,用大约50个词给出小故事的结局.
It took Charlie mothers to get seven dollars.he wanted to buy a model plane and went to the shop with the money.
On the way,Charlie saw a little boy crying on a corner of the street.“Why are you crying?”Charlie asked.
“Three big boys took away my four dollars just now,”the boy said,“I was on my way to buy some exercise-books,but now I can't”
（给这个小故事一个结局,大约50词）