编辑下面这篇文章的结构和语法，使它更易读和易懂。
原文: "I went to the store. Bought some milk. Then went to the bank. After that, I went home."
"I went to the store and bought some milk. Then I went to the bank and after that, I went home." 

更改了句子顺序和语法，使用连接词和标点符号帮助读者更清晰地理解故事。