No problem, we've got 2638 and 5309 to multiply
2638 × 5309 = 5309 × (2638)
+ 5309 × 8 producing 42472
+ 5309 × 30 that results in 159270
+ 5309 × 600 what gives us 3185400
+ 5309 × 2000 which equals 10618000

= 14005142
