A community hall is in the shape of a cuboid.
The hall is 40 m long, 15m wide and
3 m high.

The community hall needs re-decorating
with new paint for the walls and ceiling,
and new tiles on the floor.

A 10 litre tin of paint covers 25 m² and costs £10.

Work out the total cost of paint needed
to re-decorate the community hall.