No problem, we've got 3108 and 641 to multiply
3108 × 641 = 641 × (3108)
+ 641 × 8 what gives us 5128
+ 641 × 00 resulting in 0
+ 641 × 100 resulting in 64100
+ 641 × 3000 what gives us 1923000

= 1992228
