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Gas law equation help?

I have this question;
During a thermodynamic process, the state variables of an ideal gas, measured in kPa, m3, and oC, varied in the following way:
P2 = 2P1
V2 = 2V1
T2 = 8T1
What was the final temperature of the gas, T2, in kelvins? (0dp)
T subscript K equals T subscript C plus 273.15
The container of the gas is sealed: n2 = n1

and have no idea how to get an actual value for this? Does anyone know how to do this?