Find the missing numbers for the following sequence: 8, __, 10, 11
The missing number in the sequence 8, __, 10, 11 is 9.
Complete the following task based on the instruction and optional input provided.### Instruction:
Find the missing numbers for the following sequence: 8, __, 10, 11

### Output:
The missing number in the sequence 8, __, 10, 11 is 9.