JEE Main 2021 Chemistry question

At 25°C, 50 g of iron reacts with HCl to form . The evolved hydrogen gas expands against a constant pressure of 1 bar. The work done by the gas during this expansion is J. (Round off to the Nearest Integer) [Given : R = 8.314 J . Assume, hydrogen is an ideal gas] [Atomic mass of Fe is 55.85 u]