We're going to solve 6636 multiplied by 4138
6636 × 4138 = 4138 × (6636)
+ 4138 × 6 that equals 24828
+ 4138 × 30 producing 124140
+ 4138 × 600 that equals 2482800
+ 4138 × 6000 resulting in 24828000

= 27459768
