$1 + 1 = 2$.

Would you like further details or have any questions?

Here are five related questions:

1. What is $2 + 2$?
2. If you add 3 to 1, what do you get?
3. What is the result of $5 - 1$?
4. How does addition differ from multiplication?
5. What is the sum of $1 + 1 + 1$?

Tip: When adding two numbers, the order doesn't matter due to the commutative property of addition.