Riddle #10-Medium-Hard

The image below is a phrase. Try and figure it out before you reach the bottom. And yes, it is supposed to look like a math problem.

Insult
+Injury
_______

Alright. Try to figure it out before you reach the bottom!
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Did you get it yet?
Did you figure it out?
Give up?
Alright. The answer is below.

ADD INSULT TO INJURY

Here are the reasons why ADD INSULT TO INJURY is the correct answer.
Insult + Injury= Add Insult to Injury

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