Alright, let's work through 18127394 times 83215050 step by step
18127394 × 83215050 = 83215050 × (18127394)
+ 83215050 × 4 that is equal 332860200
+ 83215050 × 90 which equals 7489354500
+ 83215050 × 300 resulting in 24964515000
+ 83215050 × 7000 resulting in 582505350000
+ 83215050 × 20000 producing 1664301000000
+ 83215050 × 100000 that is equal 8321505000000
+ 83215050 × 8000000 what gives us 665720400000000
+ 83215050 × 10000000 giving us 832150500000000

= 1508471998079700
