Alright, let's work through 4028282 times 79479158 step by step
4028282 × 79479158 = 79479158 × (4028282)
+ 79479158 × 2 yielding 158958316
+ 79479158 × 80 resulting in 6358332640
+ 79479158 × 200 giving us 15895831600
+ 79479158 × 8000 that equals 635833264000
+ 79479158 × 20000 giving us 1589583160000
+ 79479158 × 000000 resulting in 0
+ 79479158 × 4000000 which equals 317916632000000

= 320164461546556
