Alright, let's work through 45190015 times 81228004 step by step
45190015 × 81228004 = 81228004 × (45190015)
+ 81228004 × 5 what gives us 406140020
+ 81228004 × 10 that equals 812280040
+ 81228004 × 000 giving us 0
+ 81228004 × 0000 yielding 0
+ 81228004 × 90000 that results in 7310520360000
+ 81228004 × 100000 yielding 8122800400000
+ 81228004 × 5000000 producing 406140020000000
+ 81228004 × 40000000 producing 3249120160000000

= 3670694719180060
