Alright, let's work through 9728894 times 39617480 step by step
9728894 × 39617480 = 39617480 × (9728894)
+ 39617480 × 4 that results in 158469920
+ 39617480 × 90 that is equal 3565573200
+ 39617480 × 800 resulting in 31693984000
+ 39617480 × 8000 which equals 316939840000
+ 39617480 × 20000 resulting in 792349600000
+ 39617480 × 700000 which equals 27732236000000
+ 39617480 × 9000000 giving us 356557320000000

= 385434263467120
