The result of $2 + 1$ is $3$.

Would you like details or have any questions?

Here are 5 questions you might want to ask:

1. How do I solve $2x + 1 = 5$?
2. What is the derivative of $x^2 + 3x$?
3. Can you explain how to find the area of a circle?
4. How do I factor $x^2 + 5x + 6$?
5. What is the value of $\sin(30^\circ)$?

Tip: Always check your work to ensure accuracy in your calculations.