We're going to solve 8421 multiplied by 4853
8421 × 4853 = 4853 × (8421)
+ 4853 × 1 that equals 4853
+ 4853 × 20 yielding 97060
+ 4853 × 400 that equals 1941200
+ 4853 × 8000 that is equal 38824000

= 40867113
