Alright, let's work through 7828106 times 4879684 step by step
7828106 × 4879684 = 4879684 × (7828106)
+ 4879684 × 6 that equals 29278104
+ 4879684 × 00 giving us 0
+ 4879684 × 100 that equals 487968400
+ 4879684 × 8000 producing 39037472000
+ 4879684 × 20000 what gives us 97593680000
+ 4879684 × 800000 that equals 3903747200000
+ 4879684 × 7000000 giving us 34157788000000

= 38198683598504
