Alright, let's work through 15985083 times 38478492 step by step
15985083 × 38478492 = 38478492 × (15985083)
+ 38478492 × 3 that equals 115435476
+ 38478492 × 80 yielding 3078279360
+ 38478492 × 000 which equals 0
+ 38478492 × 5000 yielding 192392460000
+ 38478492 × 80000 yielding 3078279360000
+ 38478492 × 900000 giving us 34630642800000
+ 38478492 × 5000000 that results in 192392460000000
+ 38478492 × 10000000 resulting in 384784920000000

= 615081888334836
