No problem, we've got 8421 and 58 to multiply
8421 × 58 = 58 × (8421)
+ 58 × 1 that results in 58
+ 58 × 20 that is equal 1160
+ 58 × 400 that results in 23200
+ 58 × 8000 that results in 464000

= 488418
