Alright, let's work through 41398635 times 8270355 step by step
41398635 × 8270355 = 8270355 × (41398635)
+ 8270355 × 5 that equals 41351775
+ 8270355 × 30 that is equal 248110650
+ 8270355 × 600 yielding 4962213000
+ 8270355 × 8000 what gives us 66162840000
+ 8270355 × 90000 giving us 744331950000
+ 8270355 × 300000 yielding 2481106500000
+ 8270355 × 1000000 producing 8270355000000
+ 8270355 × 40000000 what gives us 330814200000000

= 342381407965425
