The result of multiplying 1 by 1 is:

$1 \times 1 = 1$

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

Here are 5 related questions to expand on this:

1. What happens when you multiply 1 by any other number?
2. How does the multiplication of negative numbers work?
3. What is the identity property of multiplication?
4. Can you explain how multiplication relates to addition?
5. How is multiplication defined in matrix operations?

Tip: The number 1 is called the multiplicative identity because multiplying any number by 1 leaves the number unchanged.