Alright, let's work through 21763072 times 18808689 step by step
21763072 × 18808689 = 18808689 × (21763072)
+ 18808689 × 2 that equals 37617378
+ 18808689 × 70 that results in 1316608230
+ 18808689 × 000 producing 0
+ 18808689 × 3000 that equals 56426067000
+ 18808689 × 60000 that results in 1128521340000
+ 18808689 × 700000 resulting in 13166082300000
+ 18808689 × 1000000 resulting in 18808689000000
+ 18808689 × 20000000 which equals 376173780000000

= 409334852932608
