Alright, let's work through 66484713 times 55791454 step by step
66484713 × 55791454 = 55791454 × (66484713)
+ 55791454 × 3 yielding 167374362
+ 55791454 × 10 producing 557914540
+ 55791454 × 700 that results in 39054017800
+ 55791454 × 4000 yielding 223165816000
+ 55791454 × 80000 which equals 4463316320000
+ 55791454 × 400000 that results in 22316581600000
+ 55791454 × 6000000 yielding 334748724000000
+ 55791454 × 60000000 producing 3347487240000000

= 3709278807042702
