No problem, we've got 4415 and 6621 to multiply
4415 × 6621 = 6621 × (4415)
+ 6621 × 5 which equals 33105
+ 6621 × 10 that equals 66210
+ 6621 × 400 that results in 2648400
+ 6621 × 4000 producing 26484000

= 29231715
