Alright, let's work through 39384694 times 39973915 step by step
39384694 × 39973915 = 39973915 × (39384694)
+ 39973915 × 4 that results in 159895660
+ 39973915 × 90 that is equal 3597652350
+ 39973915 × 600 that results in 23984349000
+ 39973915 × 4000 resulting in 159895660000
+ 39973915 × 80000 producing 3197913200000
+ 39973915 × 300000 that is equal 11992174500000
+ 39973915 × 9000000 which equals 359765235000000
+ 39973915 × 30000000 which equals 1199217450000000

= 1574360410257010
