No problem, we've got 1691 and 5641 to multiply
1691 × 5641 = 5641 × (1691)
+ 5641 × 1 producing 5641
+ 5641 × 90 that equals 507690
+ 5641 × 600 that is equal 3384600
+ 5641 × 1000 what gives us 5641000

= 9538931
