Create a mathematical expression that will result in the number 4.
One possible mathematical expression that will result in the number 4 is: (2^2) = 4. Another option is (9 - 5) = 4.
Complete the following task based on the instruction and optional input provided.### Instruction:
Create a mathematical expression that will result in the number 4.

### Output:
One possible mathematical expression that will result in the number 4 is: (2^2) = 4. Another option is (9 - 5) = 4.