No problem, we've got 1120 and 2812 to multiply
1120 × 2812 = 2812 × (1120)
+ 2812 × 0 which equals 0
+ 2812 × 20 which equals 56240
+ 2812 × 100 what gives us 281200
+ 2812 × 1000 that results in 2812000

= 3149440
