Converter Block`s

This application is written for the needs of our website (p-block.ru) and the convenience of our customers, and therefore is unlikely to be interesting to a large number of users.
Application for transfer of the area of the walls erected in the amount required for the construction of standard foam blocks 20h30h60 centimeters. Also calculated the number and cost of the pallets for delivery. To calculate the value of the density of the foam blocks are taken D800. All prices are in Russian rubles at the moment. The price of one foam block depends on the number of (wholesale discount).