Alright, let's work through 84227161 times 20978299 step by step
84227161 × 20978299 = 20978299 × (84227161)
+ 20978299 × 1 giving us 20978299
+ 20978299 × 60 giving us 1258697940
+ 20978299 × 100 producing 2097829900
+ 20978299 × 7000 what gives us 146848093000
+ 20978299 × 20000 what gives us 419565980000
+ 20978299 × 200000 that results in 4195659800000
+ 20978299 × 4000000 that results in 83913196000000
+ 20978299 × 80000000 giving us 1678263920000000

= 1766942567379139
