Compute the following equation: 20 + 5 + 7 - 4
The result of the given equation 20 + 5 + 7 - 4 is 28.
Complete the following task based on the instruction and optional input provided.### Instruction:
Compute the following equation: 20 + 5 + 7 - 4

### Output:
The result of the given equation 20 + 5 + 7 - 4 is 28.