Calculate the average of the numbers 9, 5, and 6.
The average of the numbers 9, 5, and 6 is calculated by adding them together and then dividing by the total number of numbers. 

In this case, (9 + 5 + 6) / 3 = 20 / 3 = 6.67

The average is therefore 6.67.
Below is an instruction that describes a task, write a response that appropriately completes the request.

### Instruction:
Calculate the average of the numbers 9, 5, and 6.

### Response:
The average of the numbers 9, 5, and 6 is calculated by adding them together and then dividing by the total number of numbers. 

In this case, (9 + 5 + 6) / 3 = 20 / 3 = 6.67

The average is therefore 6.67.