We're going to solve 4087 multiplied by 2037
4087 × 2037 = 2037 × (4087)
+ 2037 × 7 resulting in 14259
+ 2037 × 80 that results in 162960
+ 2037 × 000 resulting in 0
+ 2037 × 4000 giving us 8148000

= 8325219
