One mole of an ideal gas at $27^{\circ} \mathrm{C}$ is taken from A to B as shown in the given PV indicator diagram. The work done by the system will be $\_\_\_\_$ $\times 10^{-1} \mathrm{~J}$.
[Given: R = 8.3 J / mole K, $1 \mathrm{n} 2=0.6931$ ]
(Round off to the nearest integer)
