The result of $1 + 1 = 2$.

Would you like further explanation or have any questions about this? Here are some related questions you might find interesting:

1. What is the concept of addition in mathematics?
2. How do different number systems (e.g., binary, hexadecimal) affect basic arithmetic operations?
3. Can you explain how to perform addition with negative numbers?
4. How do you prove basic arithmetic operations like $1 + 1 = 2$?
5. What is the importance of mathematical axioms in defining simple operations like addition?

Tip: In mathematics, addition is one of the fundamental operations and is defined on a set of numbers (like natural numbers, integers, etc.) based on specific rules or axioms.