Alright, let's work through 88340392 times 45202856 step by step
88340392 × 45202856 = 45202856 × (88340392)
+ 45202856 × 2 which equals 90405712
+ 45202856 × 90 which equals 4068257040
+ 45202856 × 300 that is equal 13560856800
+ 45202856 × 0000 producing 0
+ 45202856 × 40000 that is equal 1808114240000
+ 45202856 × 300000 that is equal 13560856800000
+ 45202856 × 8000000 giving us 361622848000000
+ 45202856 × 80000000 yielding 3616228480000000

= 3993238018559552
