将一个长句拆分为简单的句子，使其更易于理解。
提供一个包含多个子句的长句，不超过50个单词。
While driving to the store, Mary realized that she had left her wallet at home, so she turned around and went back to get it, but on her way, she got stuck in traffic for over an hour, causing her to be late for her meeting. 

简化后的句子：

Mary was driving to the store when she realized she had left her wallet at home. She turned around to retrieve it. Unfortunately, while on her way back, she got stuck in traffic for over an hour. As a result, she was late for her meeting.