No problem, we've got 8428 and 4704 to multiply
8428 × 4704 = 4704 × (8428)
+ 4704 × 8 that is equal 37632
+ 4704 × 20 giving us 94080
+ 4704 × 400 resulting in 1881600
+ 4704 × 8000 which equals 37632000

= 39645312
