Arrange the following numbers in ascending order: 9, 4, 2, 7.
The numbers in ascending order are: 2, 4, 7, 9.
Complete the following task based on the instruction and optional input provided.### Instruction:
Arrange the following numbers in ascending order: 9, 4, 2, 7.

### Output:
The numbers in ascending order are: 2, 4, 7, 9.