P (B) = 1320, P (A∩B) = 1325, P (A|B) = ?

Formula for the Conditional Probability is:

P (A / B) = P (A ∩ B) / P (B)

But it is not possible to have the probability greater than 1.

0 ≤ P (n) ≤ 1

So let's assume that: P (A ∩ B) = 1320 and P (B) = 1325

P (A / B) = 1320 / 1325 = 0.9962