Compute the surface area of a rectangular prism with the following dimension.
Output the answer in square meters.
Length = 5m
Width = 10m
Height = 8m
400m2
Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
Compute the surface area of a rectangular prism with the following dimension.
Output the answer in square meters.

### Response:
400m2