C155 Number.
It was indeed a small trick of Yamato to say three days was 72 hours.
If he said three days, the listener would think it was a long time, but if he said 72 hours, the listener would think it was a short time. This was the difference between an hour and a day.
Obviously, the red-haired girl had seen through Yamato's intention.
However, she did not chase after him. Instead