Alright, let's work through 43699891 times 42066476 step by step
43699891 × 42066476 = 42066476 × (43699891)
+ 42066476 × 1 producing 42066476
+ 42066476 × 90 that equals 3785982840
+ 42066476 × 800 giving us 33653180800
+ 42066476 × 9000 giving us 378598284000
+ 42066476 × 90000 producing 3785982840000
+ 42066476 × 600000 yielding 25239885600000
+ 42066476 × 3000000 what gives us 126199428000000
+ 42066476 × 40000000 what gives us 1682659040000000

= 1838300415954116
