the common mistake of calculating strictly from left to right without following PEMDAS, you will get a completely wrong answer.
Let’s see what happens if someone makes that mistake.
First, they calculate 90 ÷ 10, which gives 9.
Then, they add 7 to 9, which gives 16.
Finally, they multiply 16 by 2, which gives 32.
Wait, even if you solve it incorrectly from left to right, you get 32, not 18!
So how could anyone possibly get 18?
Some people might make another error, such as adding before multiplying and
