We're going to solve 4505 multiplied by 1981
4505 × 1981 = 1981 × (4505)
+ 1981 × 5 giving us 9905
+ 1981 × 00 resulting in 0
+ 1981 × 500 that results in 990500
+ 1981 × 4000 that results in 7924000

= 8924405
