What Is The Final Pressure Of The Gas?

Boyle's law statets P1 over V1 equals P2 over V2

ie.

P1/V1 = P2/V2

P1 = 200
V1 = 0.563
V2 = 0.162
P2 = ?

Therefore,

P1/V1 = P2/V2
200/0.563 = P2 /0.162

p2 = 200x0.162 / 0.563 = 57.54 pa. Is the final pressure of the gas.