We're going to solve 3815 multiplied by 1120
3815 × 1120 = 1120 × (3815)
+ 1120 × 5 what gives us 5600
+ 1120 × 10 that results in 11200
+ 1120 × 800 what gives us 896000
+ 1120 × 3000 what gives us 3360000

= 4272800
