Let's calculate 5397442 x 25526771
5397442 × 25526771 = 25526771 × (5397442)
+ 25526771 × 2 resulting in 51053542
+ 25526771 × 40 resulting in 1021070840
+ 25526771 × 400 producing 10210708400
+ 25526771 × 7000 giving us 178687397000
+ 25526771 × 90000 yielding 2297409390000
+ 25526771 × 300000 giving us 7658031300000
+ 25526771 × 5000000 that results in 127633855000000

= 137779265919782
