Alright, let's work through 3948258 times 73142732 step by step
3948258 × 73142732 = 73142732 × (3948258)
+ 73142732 × 8 that is equal 585141856
+ 73142732 × 50 giving us 3657136600
+ 73142732 × 200 resulting in 14628546400
+ 73142732 × 8000 resulting in 585141856000
+ 73142732 × 40000 which equals 2925709280000
+ 73142732 × 900000 that equals 65828458800000
+ 73142732 × 3000000 producing 219428196000000

= 288786376760856
