this is a basic programming question using C# and visual studio 2017. can someone please explain how to code it

Write an app that will aid a salesperson to estimate the price of a re-flooring job. Perform the following: 1. Ask the user how many rooms will be re- floored. 2. Loop until the length and width have been entered for all the rooms o Ask for the width of the room, read it and save the value o Ask for the length of the room, read it and save the value o Calculate the area in the current room (length x width) and store in an area array o Move to the next room in the area array 3. Ask the user for the price per square foot for the new flooring 4. Loop through all rooms Calculate the cost of re-flooring the current room o Display the cost to the user for the current room o Move to the next room in the area array 5. Display the total cost to re-floor all the rooms 6. Ask the user if he/she is done, if so end the app 7. Otherwise, loop back around and go again (start at step 1 again)