The result of $4 + 4$ is $8$.

Would you like any details or have any questions?

Here are 5 related questions:

1. What is $8 + 4$?
2. How do you subtract $4$ from $8$?
3. What is the result of multiplying $4 \times 4$?
4. How do you divide $8$ by $4$?
5. What is the square root of $16$?

Tip: Addition is one of the basic arithmetic operations, and it's useful to practice with larger numbers to strengthen your math skills.