We're going to solve 3985 multiplied by 6531
3985 × 6531 = 6531 × (3985)
+ 6531 × 5 resulting in 32655
+ 6531 × 80 resulting in 522480
+ 6531 × 900 that equals 5877900
+ 6531 × 3000 giving us 19593000

= 26026035
