Alright, let's work through 38006436 times 48489870 step by step
38006436 × 48489870 = 48489870 × (38006436)
+ 48489870 × 6 that is equal 290939220
+ 48489870 × 30 what gives us 1454696100
+ 48489870 × 400 that is equal 19395948000
+ 48489870 × 6000 which equals 290939220000
+ 48489870 × 00000 that equals 0
+ 48489870 × 000000 what gives us 0
+ 48489870 × 8000000 producing 387918960000000
+ 48489870 × 30000000 that is equal 1454696100000000

= 1842927140803320
