If 50% of a 16 GB USB drive is already occupied, then the occupied space is 16 GB * 50% = 8 GB.
The remaining capacity is the total capacity minus the occupied space, so it is 16 GB - 8 GB = 8 GB.
#### 8
The answer is: 8
Below is a math problem. Provide a detailed, step-by-step solution.

### Problem:
If 50% of a 16 GB USB drive is already occupied, what is the remaining capacity in gigabytes?

### Answer:
