Alright, let's work through 21243072 times 41032666 step by step
21243072 × 41032666 = 41032666 × (21243072)
+ 41032666 × 2 that is equal 82065332
+ 41032666 × 70 giving us 2872286620
+ 41032666 × 000 which equals 0
+ 41032666 × 3000 resulting in 123097998000
+ 41032666 × 40000 giving us 1641306640000
+ 41032666 × 200000 what gives us 8206533200000
+ 41032666 × 1000000 resulting in 41032666000000
+ 41032666 × 20000000 what gives us 820653320000000

= 871659878189952
