Why did Madame Loisel run out from the ball?

Madame Loisel ran from the ball, so that the others present would see her ordinary cloak, so unlike the furs they themselves wore.

He threw over her shoulders the clothes he had brought for her to go outside in, the modest clothes of an ordinary life, whose poverty contrasted sharply with the elegance of the ball dress. She felt this and wanted to run away, so she wouldn't be noticed by the other women who were wrapping themselves in expensive furs.

Can u answer it in sentences not in paragraph pls?? Cause I need it into sentences

The answer can be found above the quote. Italicized words are the textual evidence.