We're going to solve 8628 multiplied by 6440
8628 × 6440 = 6440 × (8628)
+ 6440 × 8 yielding 51520
+ 6440 × 20 that is equal 128800
+ 6440 × 600 that equals 3864000
+ 6440 × 8000 which equals 51520000

= 55564320
