Thermodynamics

Calculate the work done when 2 moles of an ideal gas expand from a volume of \(5 \mathrm{~dm}^3\) to \(7 \times 10^{-3} \mathrm{~m}^3\) against a constant external pressure of \(2.02 \times 10^5 \mathrm{~Nm}^{-2}\) ?