Alright, let's work through 6782497 times 45742621 step by step
6782497 × 45742621 = 45742621 × (6782497)
+ 45742621 × 7 that equals 320198347
+ 45742621 × 90 that equals 4116835890
+ 45742621 × 400 yielding 18297048400
+ 45742621 × 2000 yielding 91485242000
+ 45742621 × 80000 that equals 3659409680000
+ 45742621 × 700000 that results in 32019834700000
+ 45742621 × 6000000 producing 274455726000000

= 310249189704637
