Alright, let's work through 8157 times 7551 step by step
8157 × 7551 = 7551 × (8157)
+ 7551 × 7 resulting in 52857
+ 7551 × 50 which equals 377550
+ 7551 × 100 producing 755100
+ 7551 × 8000 giving us 60408000

= 61593507
