Alright, let's work through 4988 times 8422 step by step
4988 × 8422 = 8422 × (4988)
+ 8422 × 8 which equals 67376
+ 8422 × 80 that is equal 673760
+ 8422 × 900 that equals 7579800
+ 8422 × 4000 yielding 33688000

= 42008936
