The result of $3 + 3$ is $6$.

Would you like more details or have any questions? Here are 5 related questions for further exploration:

1. What is the sum of 5 + 8?
2. How do you add two negative numbers?
3. What is the concept of addition in algebra?
4. What are the properties of addition?
5. How does addition work with fractions?

Tip: Remember, addition is a commutative operation, meaning the order of the numbers doesn't affect the result, i.e., $3 + 3 = 3 + 3$.