No problem, we've got 4415 and 1251 to multiply
4415 × 1251 = 1251 × (4415)
+ 1251 × 5 that equals 6255
+ 1251 × 10 producing 12510
+ 1251 × 400 that equals 500400
+ 1251 × 4000 which equals 5004000

= 5523165
