The result of $3 + 3$ is:

$3 + 3 = 6$

Would you like more details or have any questions about this? Here are some related questions:

1. What is $3 \times 3$?
2. How do you solve $3 + 3 \times 2$ using the order of operations?
3. What is $3 + (-3)$?
4. How can you represent $3 + 3$ on a number line?
5. What is the sum of $3$ and $3$ in decimal form?

Tip: Remember, addition is commutative, meaning $a + b = b + a$. This makes calculations easier when rearranging terms!