The result of $2 + 2$ is:

$2 + 2 = 4$

Would you like further details on addition or have any questions?

Here are five related questions to explore:

1. What is $3 + 5$?
2. How do you add larger numbers, such as $123 + 456$?
3. What is the sum of $7 + 8$?
4. Can you explain the concept of carrying in addition?
5. What happens when you add two negative numbers?

Tip: When adding two numbers, always line up their digits correctly, especially in multi-digit addition!