We're going to solve 3821 multiplied by 7782
3821 × 7782 = 7782 × (3821)
+ 7782 × 1 that equals 7782
+ 7782 × 20 resulting in 155640
+ 7782 × 800 resulting in 6225600
+ 7782 × 3000 that equals 23346000

= 29735022
