Alright, let's work through 40663897 times 71469240 step by step
40663897 × 71469240 = 71469240 × (40663897)
+ 71469240 × 7 what gives us 500284680
+ 71469240 × 90 yielding 6432231600
+ 71469240 × 800 which equals 57175392000
+ 71469240 × 3000 resulting in 214407720000
+ 71469240 × 60000 what gives us 4288154400000
+ 71469240 × 600000 giving us 42881544000000
+ 71469240 × 0000000 producing 0
+ 71469240 × 40000000 that equals 2858769600000000

= 2906217814028280
