Alright, let's work through 18879894 times 96463902 step by step
18879894 × 96463902 = 96463902 × (18879894)
+ 96463902 × 4 that is equal 385855608
+ 96463902 × 90 yielding 8681751180
+ 96463902 × 800 producing 77171121600
+ 96463902 × 9000 resulting in 868175118000
+ 96463902 × 70000 which equals 6752473140000
+ 96463902 × 800000 that is equal 77171121600000
+ 96463902 × 8000000 what gives us 771711216000000
+ 96463902 × 10000000 that equals 964639020000000

= 1821228244586388
