/**
 * You are an interior designer and need to calculate the surface area of a room to determine the amount of paint required.
 * The dimensions of the room (length, width, and height) are given. Compute the total surface area (excluding the floor) of the room by following these steps:
 * - Calculate the surface area of each wall, which is given by the formula: (height * width) * 2
 * - Calculate the surface area of the ceiling, which is given by the formula: length * width
 * - Add up the surface areas of all walls and the ceiling to obtain the total surface area.
 *
 * @param length The length of the room.
 * @param width The width of the room.
 * @param height The height of the room.
 * @return The total surface area of the room.
 */
fun calculateSurfaceArea(length: Int, width: Int, height: Int): Int {

    val wallArea = (height * width) * 2
    val ceilingArea = length * width
    val totalSurfaceArea = wallArea + ceilingArea

    return totalSurfaceArea
}
/**
 * You are an interior designer and need to calculate the surface area of a room to determine the amount of paint required.
 * The dimensions of the room (length, width, and height) are given. Compute the total surface area (excluding the floor) of the room by following these steps:
 * - Calculate the surface area of each wall, which is given by the formula: (height * width) * 2
 * - Calculate the surface area of the ceiling, which is given by the formula: length * width
 * - Add up the surface areas of all walls and the ceiling to obtain the total surface area.
 *
 * @param length The length of the room.
 * @param width The width of the room.
 * @param height The height of the room.
 * @return The total surface area of the room.
 */
fun calculateSurfaceArea(length: Int, width: Int, height: Int): Int {
/**
 * You are an interior designer and need to calculate the surface area of a room to determine the amount of paint required.
 * The dimensions of the room (length, width, and height) are given. Compute the total surface area (excluding the floor) of the room by following these steps:
 * - Calculate the surface area of each wall, which is given by the formula: (height * width) * 2
 * - Calculate the surface area of the ceiling, which is given by the formula: length * width
 * - Add up the surface areas of all walls and the ceiling to obtain the total surface area.
 *
 * @param length The length of the room.
 * @param width The width of the room.
 * @param height The height of the room.
 * @return The total surface area of the room.
 */
fun calculateSurfaceArea(length: Int, width: Int, height: Int): Int {

    val wallArea = (height * width) * 2
    val ceilingArea = length * width
    val totalSurfaceArea = wallArea + ceilingArea

    return totalSurfaceArea
}