A sample of gas with \( \gamma = 1.5 \) is taken through an adiabatic process in which the volume is compressed from \( 1200 \, \text{cm}^3 \) to \( 300 \, \text{cm}^3 \). If the initial pressure is \( 200 \, \text{kPa} \). The absolute value of the workdone by the gas in the process = ______ J .