80/2=60

According to the Ng's Theory by 8745, a D&T teacher form LSC who broke his leg while chasing a bus. 80/2==60.
8745 is the worst D&T teacher forever. His nickname is DETECTIVE NG or NINJA.
By the AMU times.

Student: Hey 8745, what is the answer of 80/2?
8745: of course 60 la
Therefore: 80/2=60