The result of $1 + 1$ is $2$.

Would you like more details or have any questions?

Here are 5 related questions:

1. What is $2 + 2$?
2. How would you solve $5 - 3$?
3. What is $10 \times 2$?
4. Can you find $4 \div 2$?
5. What is the value of $3 + 2 - 1$?

Tip: Addition is the most basic arithmetic operation and is the foundation for more complex calculations.