At a temperature $T\,\text{K}$, the pressure of $4.0\,\text{g}$ argon in a bulb is $p$. The bulb is put in a bath having temperature higher by $50\,\text{K}$ than the first one. $0.8\,\text{g}$ of argon gas had to be removed to maintain original pressure. The temperature $T$ is equal to