Neco Model Questions Vol1 2021 Christian Religious Studies Question 2

Paul's conversion is traditionally dated to \(33\) CE and his first imprisonment began in \(57\) CE. He wrote thirteen letters during his lifetime. The total number of years Paul spent in missionary travel equals the sum of (i) the number of letters he wrote and (ii) the number of years between his conversion and his first imprisonment. His first missionary journey lasted \(2\) years, the second lasted \(3\) years, and the third journey lasted a number of years equal to the product of (a) the number of years between his release from his first imprisonment (which occurred in \(60\) CE) and his arrival in Rome (which occurred five years later) and (b) the number of years he spent in house arrest in Rome (\(2\) years). How many years did Paul spend in prison overall?