No problem, we've got 4840 and 8470 to multiply
4840 × 8470 = 8470 × (4840)
+ 8470 × 0 what gives us 0
+ 8470 × 40 yielding 338800
+ 8470 × 800 giving us 6776000
+ 8470 × 4000 that results in 33880000

= 40994800
