How to workout final alcohol percentage

How to workout final alcohol %

Take the total amount of spirit you get out EG: 3 litres, multiple by the current strength EG: 93% divide this by strength wanted EG: 35% gives me 7.97 litres then take away the start amount of litres i had EG: 3 litres = 4.97 litres of water to add to get 35%