Alright, let's work through 84035370 times 21443319 step by step
84035370 × 21443319 = 21443319 × (84035370)
+ 21443319 × 0 producing 0
+ 21443319 × 70 yielding 1501032330
+ 21443319 × 300 which equals 6432995700
+ 21443319 × 5000 resulting in 107216595000
+ 21443319 × 30000 yielding 643299570000
+ 21443319 × 000000 that is equal 0
+ 21443319 × 4000000 that equals 85773276000000
+ 21443319 × 80000000 that equals 1715465520000000

= 1801997246193030
