Most adults can't solve this Singapore's primary one Mathematics question, can you?

Singapore School Primary One Mathematics IQ Question

Singapore School Primary One Mathematics Question IQ

Are you able to solve this Singapore school primary 1 math question? After you have decided to give up trying, take a look at the answer below. Scroll down.
.
.
.
.
.

Singapore School Primary One Mathematics IQ Question Answer

Singapore School Primary One Mathematics Question IQ Answer