Let's calculate 5787 x 6428
5787 × 6428 = 6428 × (5787)
+ 6428 × 7 that equals 44996
+ 6428 × 80 that is equal 514240
+ 6428 × 700 which equals 4499600
+ 6428 × 5000 which equals 32140000

= 37198836
