Total troop count when training in barracks

I think it would be nice when training troops in barracks that it gives the number of troops trained in the barrack and in parenthesis it tell you the end total of that troop once training is all complete.

For example, if you have 7 archers left in the camps, and 4 barracks training troops. Say you add 7 archers trained in each barrack it will list 7x(14) as you train in the first one, then 7x(21) as you add in the second and so on for each troop you train so you can easily figure out how many you're going to end up with making it easies to balance out the number of troops you pick to train.