The two of them went to the supermarket again, with Lu Chen pushing the shopping cart while holding Mo Nuan's hand. Mo Nuan picked out a set of delicate porcelain bowls and a sewing kit, while Lu Chen chose some fresh vegetables and daily necessities. Within half an hour, the shopping cart was filled.

At the checkout, something happened that made Mo Nuan want to crawl into a hole again.

"Sister, did you make a mistake? It should be 770 yuan, not 846.9 yuan. How could there be a difference of 76.9 yuan?"

Mo Nuan had always been sensitive to numbers since childhood, especially after working in auditing for several...