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

Would you like more details or have any questions? Here are five questions you might consider asking:

1. What is the derivative of $x^2$?
2. How do you solve a quadratic equation?
3. What is the integral of $\sin(x)$?
4. Can you explain the Pythagorean theorem?
5. What is the difference between permutations and combinations?

Tip: Always double-check your work to avoid simple mistakes in calculations.