Alright, let's work through 7847074 times 84217382 step by step
7847074 × 84217382 = 84217382 × (7847074)
+ 84217382 × 4 what gives us 336869528
+ 84217382 × 70 that is equal 5895216740
+ 84217382 × 000 which equals 0
+ 84217382 × 7000 producing 589521674000
+ 84217382 × 40000 that equals 3368695280000
+ 84217382 × 800000 resulting in 67373905600000
+ 84217382 × 7000000 that is equal 589521674000000

= 660860028640268
