No problem, we've got 5640 and 3251 to multiply
5640 × 3251 = 3251 × (5640)
+ 3251 × 0 that is equal 0
+ 3251 × 40 resulting in 130040
+ 3251 × 600 that is equal 1950600
+ 3251 × 5000 yielding 16255000

= 18335640
