No problem, we've got 4870 and 8345 to multiply
4870 × 8345 = 8345 × (4870)
+ 8345 × 0 resulting in 0
+ 8345 × 70 producing 584150
+ 8345 × 800 what gives us 6676000
+ 8345 × 4000 giving us 33380000

= 40640150
