No problem, we've got 2812 and 1831 to multiply
2812 × 1831 = 1831 × (2812)
+ 1831 × 2 that is equal 3662
+ 1831 × 10 what gives us 18310
+ 1831 × 800 that is equal 1464800
+ 1831 × 2000 yielding 3662000

= 5148772
