No problem, we've got 6400 and 9038 to multiply
6400 × 9038 = 9038 × (6400)
+ 9038 × 0 which equals 0
+ 9038 × 00 producing 0
+ 9038 × 400 which equals 3615200
+ 9038 × 6000 that results in 54228000

= 57843200
