Alright, let's work through 6696418 times 66115015 step by step
6696418 × 66115015 = 66115015 × (6696418)
+ 66115015 × 8 giving us 528920120
+ 66115015 × 10 that results in 661150150
+ 66115015 × 400 producing 26446006000
+ 66115015 × 6000 that results in 396690090000
+ 66115015 × 90000 giving us 5950351350000
+ 66115015 × 600000 yielding 39669009000000
+ 66115015 × 6000000 that results in 396690090000000

= 442733776516270
