Convert the given measurements in Metric units.
1 gallon = 3.7854 liters
1 gallon (3.7854 liters) = 0.8399 hectoliters.
Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
Convert the given measurements in Metric units.

### Response:
1 gallon (3.7854 liters) = 0.8399 hectoliters.