No problem, we've got 4051 and 7699 to multiply
4051 × 7699 = 7699 × (4051)
+ 7699 × 1 what gives us 7699
+ 7699 × 50 that is equal 384950
+ 7699 × 000 that is equal 0
+ 7699 × 4000 giving us 30796000

= 31188649
