Let's calculate 7867 x 5687
7867 × 5687 = 5687 × (7867)
+ 5687 × 7 resulting in 39809
+ 5687 × 60 that results in 341220
+ 5687 × 800 what gives us 4549600
+ 5687 × 7000 giving us 39809000

= 44739629
