/**
 * This function calculates the cost of paint required to cover the walls of a room.
 *
 * @param paintRequired The amount of paint required.
 * @param costPerLiter The cost per liter of paint.
 * @return The cost of paint required.
 */
fun calculateCostOfPaint(paintRequired: Double, costPerLiter: Double): Double {

    val costOfPaint = paintRequired * costPerLiter
    return costOfPaint
}
/**
 * This function calculates the cost of paint required to cover the walls of a room.
 *
 * @param paintRequired The amount of paint required.
 * @param costPerLiter The cost per liter of paint.
 * @return The cost of paint required.
 */
fun calculateCostOfPaint(paintRequired: Double, costPerLiter: Double): Double {
/**
 * This function calculates the cost of paint required to cover the walls of a room.
 *
 * @param paintRequired The amount of paint required.
 * @param costPerLiter The cost per liter of paint.
 * @return The cost of paint required.
 */
fun calculateCostOfPaint(paintRequired: Double, costPerLiter: Double): Double {

    val costOfPaint = paintRequired * costPerLiter
    return costOfPaint
}