We're going to solve 4138 multiplied by 9981
4138 × 9981 = 9981 × (4138)
+ 9981 × 8 yielding 79848
+ 9981 × 30 yielding 299430
+ 9981 × 100 what gives us 998100
+ 9981 × 4000 that equals 39924000

= 41301378
