No problem, we've got 8454 and 5803 to multiply
8454 × 5803 = 5803 × (8454)
+ 5803 × 4 what gives us 23212
+ 5803 × 50 resulting in 290150
+ 5803 × 400 what gives us 2321200
+ 5803 × 8000 giving us 46424000

= 49058562
