Alright, let's work through 84090514 times 745297 step by step
84090514 × 745297 = 745297 × (84090514)
+ 745297 × 4 that results in 2981188
+ 745297 × 10 resulting in 7452970
+ 745297 × 500 that is equal 372648500
+ 745297 × 0000 producing 0
+ 745297 × 90000 that equals 67076730000
+ 745297 × 000000 producing 0
+ 745297 × 4000000 what gives us 2981188000000
+ 745297 × 80000000 that is equal 59623760000000

= 62672407812658
