No problem, we've got 6388 and 7143 to multiply
6388 × 7143 = 7143 × (6388)
+ 7143 × 8 producing 57144
+ 7143 × 80 giving us 571440
+ 7143 × 300 that results in 2142900
+ 7143 × 6000 resulting in 42858000

= 45629484
