Alright, let's work through 83156427 times 48377738 step by step
83156427 × 48377738 = 48377738 × (83156427)
+ 48377738 × 7 that results in 338644166
+ 48377738 × 20 resulting in 967554760
+ 48377738 × 400 which equals 19351095200
+ 48377738 × 6000 producing 290266428000
+ 48377738 × 50000 producing 2418886900000
+ 48377738 × 100000 which equals 4837773800000
+ 48377738 × 3000000 which equals 145133214000000
+ 48377738 × 80000000 what gives us 3870219040000000

= 4022919838422126
