C181 calculation

An Ruyou's company's floor was lower than He Chengyu's CEO's office, so they used the elevator to get to An Ruyou's floor.

Before they were about to part, He Chengyu suddenly had some unwillingness to part, just like how An Ruyou had never belonged to him. Even though He Chengyu was afraid, after An Ruyou walked out of the elevator, he never looked back at him