What is 16 divided by 4 plus 2 times 3 plus 2 minus 8 divided by 2?
We always perform any multiplications/divisions as we encounter them from left to right before we perform any additions/subtractions.
So we have
16/4 + 2*3 + 2 - 8/2 =
4 + 6 + 2 - 4 =
6 + 2 =
8
