Correct Answer is 9.
The Scientific Calculator (one on the right) followed the order of operations. 
There’s even a section about calculators in the article.
TECHNOLOGY WILL FAIL YOU.
ALWAYS CHECK YOUR WORK. 

Correct Answer is 9.

The Scientific Calculator (one on the right) followed the order of operations

There’s even a section about calculators in the article.

TECHNOLOGY WILL FAIL YOU.

ALWAYS CHECK YOUR WORK. 

(Source: meme4u)