A plane wall is held at $28$ degree C on one side $($at x $=0$ m$)$ and $360$ K on the other side $($at x $=0\mathrm{.}8$ m$).$ The thermal conductivity of the wall is $238$ W$/$mK$.$ What is the heat transfer through the wall per unit area? Give your numerical answer as an integer in W$/$m$2.$