We're going to solve 6389 multiplied by 1187
6389 × 1187 = 1187 × (6389)
+ 1187 × 9 resulting in 10683
+ 1187 × 80 resulting in 94960
+ 1187 × 300 resulting in 356100
+ 1187 × 6000 which equals 7122000

= 7583743
