Alright, let's work through 38415992 times 85615999 step by step
38415992 × 85615999 = 85615999 × (38415992)
+ 85615999 × 2 resulting in 171231998
+ 85615999 × 90 what gives us 7705439910
+ 85615999 × 900 that equals 77054399100
+ 85615999 × 5000 which equals 428079995000
+ 85615999 × 10000 resulting in 856159990000
+ 85615999 × 400000 resulting in 34246399600000
+ 85615999 × 8000000 producing 684927992000000
+ 85615999 × 30000000 that equals 2568479970000000

= 3289023532656008
