The answer to $1 + 1$ is $2$.

Would you like more details or have any questions?

Here are 5 questions you might consider asking next:

1. How do you solve quadratic equations?
2. Can you explain the Pythagorean theorem?
3. What is the derivative of $x^2$?
4. How do you calculate the area of a circle?
5. What are the steps to solve a linear equation?

Tip: Always double-check your calculations to avoid simple arithmetic errors.