/**
 * This function calculates the cost of decorating a room based on its area and cost per square foot.
 */
fun calculateRoomCost(area: Double, costPerSqft: Double): Double {

    val cost = area * costPerSqft
    return cost
}
/**
 * This function calculates the cost of decorating a room based on its area and cost per square foot.
 */
fun calculateRoomCost(area: Double, costPerSqft: Double): Double {
/**
 * This function calculates the cost of decorating a room based on its area and cost per square foot.
 */
fun calculateRoomCost(area: Double, costPerSqft: Double): Double {

    val cost = area * costPerSqft
    return cost
}