Convert the following Terabyte to Gigabyte.
400 TB
400 Terabytes (TB) is equal to 400,000 Gigabytes (GB).
Complete the following task based on the instruction and optional input provided.### Instruction:
Convert the following Terabyte to Gigabyte.

### Input:
400 TB

### Output:
400 Terabytes (TB) is equal to 400,000 Gigabytes (GB).