Alright, let's work through 84156967 times 22040937 step by step
84156967 × 22040937 = 22040937 × (84156967)
+ 22040937 × 7 yielding 154286559
+ 22040937 × 60 that is equal 1322456220
+ 22040937 × 900 that is equal 19836843300
+ 22040937 × 6000 producing 132245622000
+ 22040937 × 50000 that results in 1102046850000
+ 22040937 × 100000 what gives us 2204093700000
+ 22040937 × 4000000 giving us 88163748000000
+ 22040937 × 80000000 producing 1763274960000000

= 1854898407758079
