We're going to solve 3934 multiplied by 4780
3934 × 4780 = 4780 × (3934)
+ 4780 × 4 resulting in 19120
+ 4780 × 30 that is equal 143400
+ 4780 × 900 what gives us 4302000
+ 4780 × 3000 yielding 14340000

= 18804520
