Alright, let's work through 88400871 times 44522420 step by step
88400871 × 44522420 = 44522420 × (88400871)
+ 44522420 × 1 giving us 44522420
+ 44522420 × 70 giving us 3116569400
+ 44522420 × 800 what gives us 35617936000
+ 44522420 × 0000 resulting in 0
+ 44522420 × 00000 producing 0
+ 44522420 × 400000 yielding 17808968000000
+ 44522420 × 8000000 which equals 356179360000000
+ 44522420 × 80000000 giving us 3561793600000000

= 3935820707027820
