You are purchasing 30 widget(s) at a cost of $119.95 each. With tax, the total comes to $3,778.43.
There are 20 widgets per folder. There are 8 folders available currently. As a total, there are 160 of widgets available to purchase. If you were to purchase triple the amount of widgets from your current quanity of 30 , your total dollar amount would be $11,335.28.
If you only want 50 widgets, then there will be one folder with 10 leftover as there are only 20 widgets per folder.