We're going to solve 1980 multiplied by 1868
1980 × 1868 = 1868 × (1980)
+ 1868 × 0 resulting in 0
+ 1868 × 80 resulting in 149440
+ 1868 × 900 what gives us 1681200
+ 1868 × 1000 resulting in 1868000

= 3698640
