We're going to solve 3855 multiplied by 1158
3855 × 1158 = 1158 × (3855)
+ 1158 × 5 yielding 5790
+ 1158 × 50 what gives us 57900
+ 1158 × 800 that results in 926400
+ 1158 × 3000 yielding 3474000

= 4464090
