Alright, let's work through 86379370 times 48618841 step by step
86379370 × 48618841 = 48618841 × (86379370)
+ 48618841 × 0 that results in 0
+ 48618841 × 70 producing 3403318870
+ 48618841 × 300 which equals 14585652300
+ 48618841 × 9000 producing 437569569000
+ 48618841 × 70000 giving us 3403318870000
+ 48618841 × 300000 giving us 14585652300000
+ 48618841 × 6000000 what gives us 291713046000000
+ 48618841 × 80000000 which equals 3889507280000000

= 4199664855710170
