Answer :

- Calculate the square root of 121: $\sqrt{121} = 11$.
- Add the result to 3125: $11 + 3125 = 3136$.
- The value of the expression is 3136.
- Final Answer: $\boxed{3136}$

### Explanation
1. Problem Analysis
We are asked to find the value of $\sqrt{121} + 3125$.

2. Calculate the Square Root
First, we need to calculate the square root of 121. The square root of 121 is 11, since $11 \times 11 = 121$. So, $\sqrt{121} = 11$.

3. Addition
Next, we add the result to 3125: $11 + 3125 = 3136$.

4. Final Answer
Therefore, the value of $\sqrt{121} + 3125$ is 3136.

### Examples
This problem demonstrates basic arithmetic operations, which are fundamental in everyday life. For example, if you are calculating the total cost of items where one item's cost is the square root of a number and another item costs a larger amount, you would use these operations. Understanding square roots and addition is crucial for managing finances, calculating expenses, and making informed purchasing decisions.