No problem, we've got 5641 and 3151 to multiply
5641 × 3151 = 3151 × (5641)
+ 3151 × 1 which equals 3151
+ 3151 × 40 that is equal 126040
+ 3151 × 600 that equals 1890600
+ 3151 × 5000 resulting in 15755000

= 17774791
