We're going to solve 4425 multiplied by 4279
4425 × 4279 = 4279 × (4425)
+ 4279 × 5 what gives us 21395
+ 4279 × 20 what gives us 85580
+ 4279 × 400 yielding 1711600
+ 4279 × 4000 that equals 17116000

= 18934575
