RRB NTPC CBT 2 Level 4 Exam 10 May 2022 Shift 1

In each of the given number-clusters, the number on the right side of = (the equal to sign) is calculated by performing certain mathematical operations on the two numbers on the left of = (the equal to sign). All three number-clusters follow the same pattern. Select the number from among the given options that can replace the question mark (?) in the third number-cluster.
8, 35 = 29
10, 48 = 52
12, 57 = ?