Alright, let's work through 8121 times 6147 step by step
8121 × 6147 = 6147 × (8121)
+ 6147 × 1 which equals 6147
+ 6147 × 20 what gives us 122940
+ 6147 × 100 resulting in 614700
+ 6147 × 8000 resulting in 49176000

= 49919787
