Question 5
Ananya wants to tile a floor that is 24 m by 40 m. There are two types of tiles: a square that is 2 m on a side and an L-shape as shown. The L-shaped tile can be turned over or rotated if needed. What is the least number of tiles Ananya needs to tile the floor completely?
All indicated tile lengths are in meters. Tiles cover the floor without gaps or overlaps.

**Input:** Enter the integer only, without units.
All indicated tile lengths are in meters. Tiles cover the floor without gaps or overlaps.

**Input:** Enter the integer only, without units.