Solve the Expression: Square Root of 144 Plus 12

To solve this problem, we'll follow these steps:

• Step 1: Calculate the square root of 144.
• Step 2: Add 12 to the result of the square root.

Now, let's work through each step:
Step 1: The square root of 144 is $\sqrt{144} = 12$, since 12 is the number that, when squared, gives 144.
Step 2: Add 12 to this result, which is $12 + 12 = 24$.

Therefore, the solution to the problem is $24$.