No problem, we've got 8406 and 511 to multiply
8406 × 511 = 511 × (8406)
+ 511 × 6 yielding 3066
+ 511 × 00 yielding 0
+ 511 × 400 what gives us 204400
+ 511 × 8000 that results in 4088000

= 4295466
