Alright, let's work through 42189864 times 41554127 step by step
42189864 × 41554127 = 41554127 × (42189864)
+ 41554127 × 4 giving us 166216508
+ 41554127 × 60 what gives us 2493247620
+ 41554127 × 800 what gives us 33243301600
+ 41554127 × 9000 that is equal 373987143000
+ 41554127 × 80000 producing 3324330160000
+ 41554127 × 100000 resulting in 4155412700000
+ 41554127 × 2000000 resulting in 83108254000000
+ 41554127 × 40000000 yielding 1662165080000000

= 1753162966768728
