The Hammer Test

Now... just follow the instructions as quickly as possible.
Do not go to the next calculation before you have finished the previous one.
You do not ever need to write or remember the answers, just do it using your mind.
You'll be surprised.
Start:
How much is:
15 + 6
3 + 56
89 + 2
12 + 53
75 + 26
25 + 52
63 + 32
I know! Calculations are hard work, but it's nearly over..
Come on, one more!
123 + 5
QUICK! THINK ABOUT A COLOR AND A TOOL!
Keep them in mind
You just thought about a red hammer! , didn't you?

If this is not your answer, you are among 2% of people who have a different, if not abnormal, mind.

98% of the folks would answer a red hammer while doing this exercise.