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

Would you like more details or have any questions about this?

Here are 5 related questions:

1. What is $3 + 5$?
2. How would you subtract $3 - 1$?
3. Can you multiply $3 \times 2$?
4. What is $10 \div 2$?
5. What is the sum of $4 + 7$?

Tip: When adding numbers, it doesn’t matter the order in which you add them, thanks to the commutative property of addition!