The area of this farm is 80x40=3200.

Mbth (area) is a quantity used to represent the area occupied by a curved surface or a plane figure, which can be regarded as a two-dimensional analogy of length (one-dimensional measurement) and volume (three-dimensional measurement). For three-dimensional graphics, the area of the graphics boundary is called the surface area.

The most basic area formula is the rectangular formula. When l is long and w is wide, its formula is; A=lw .