It can give results on the basis of your land size with full details of projects like BOQ (Bill of quantity), Complete rate analysis. You can also be able to determine the quantity of materials using in each stage of construction
And as you start entering data like number of columns, length and size of beams and some more structural details, the data you will get will be more accurate BOQ, Quantity & Rate Analysis.
As you input more information, you will get more accurate results and remember, it has many assumptions & it is an approximation method of calculation of things and if you want to calculate exactly, you can learn it from Civil Guruji.