A certain amount of gas of volume \( V \) at \( 27^\circ \text{C} \) temperature and pressure \( 2 \times 10^7 \, \text{N m}^{-2} \) expands isothermally until its volume gets doubled. Later it expands adiabatically until its volume gets redoubled. The final pressure of gas will be (Use \( \gamma = 1.5 \) )
