Alright, let's work through 8157 times 7766 step by step
8157 × 7766 = 7766 × (8157)
+ 7766 × 7 which equals 54362
+ 7766 × 50 producing 388300
+ 7766 × 100 what gives us 776600
+ 7766 × 8000 which equals 62128000

= 63347262
