A room is $18\mathrm{.}4m24\mathrm{.}2m$ in area and has a $4\mathrm{.}6m$ height. The

density of the air in the room is $1\mathrm{.}18k\frac{g}{m^3}.$ Determine the

weight of the air contained in a room in $kN.[$write your answer

with $3$ digits after the decimal point and do not write the units$].$