We're going to solve 3975 multiplied by 4256
3975 × 4256 = 4256 × (3975)
+ 4256 × 5 that results in 21280
+ 4256 × 70 what gives us 297920
+ 4256 × 900 resulting in 3830400
+ 4256 × 3000 which equals 12768000

= 16917600
