No problem, we've got 1940 and 4620 to multiply
1940 × 4620 = 4620 × (1940)
+ 4620 × 0 giving us 0
+ 4620 × 40 what gives us 184800
+ 4620 × 900 resulting in 4158000
+ 4620 × 1000 producing 4620000

= 8962800
