Alright, let's work through 29920259 times 51390668 step by step
29920259 × 51390668 = 51390668 × (29920259)
+ 51390668 × 9 resulting in 462516012
+ 51390668 × 50 giving us 2569533400
+ 51390668 × 200 yielding 10278133600
+ 51390668 × 0000 that results in 0
+ 51390668 × 20000 that results in 1027813360000
+ 51390668 × 900000 which equals 46251601200000
+ 51390668 × 9000000 that results in 462516012000000
+ 51390668 × 20000000 giving us 1027813360000000

= 1537622096743012
