Zhu Bajie picked a bag of wild fruits on the mountain and brought it back to Tang僧. While walking, he got hungry, took out half of them, hesitated, put back two, and then ate them. While walking, he got hungry again, took out half of them, put back two, and then ate them. He did this four times, taking out half and putting back two each time. When he finally returned to Tang僧, there were 5 wild fruits left in the bag. Originally, Bajie picked wild fruits.
A number or a short expression. Fractions can be typed as 3/2, and spacing doesn't matter.