Alright, let's work through 9215254 times 7938629 step by step
9215254 × 7938629 = 7938629 × (9215254)
+ 7938629 × 4 that results in 31754516
+ 7938629 × 50 producing 396931450
+ 7938629 × 200 that results in 1587725800
+ 7938629 × 5000 that equals 39693145000
+ 7938629 × 10000 what gives us 79386290000
+ 7938629 × 200000 what gives us 1587725800000
+ 7938629 × 9000000 that results in 71447661000000

= 73156482646766
