Alright, let's work through 8344385 times 21729480 step by step
8344385 × 21729480 = 21729480 × (8344385)
+ 21729480 × 5 what gives us 108647400
+ 21729480 × 80 that equals 1738358400
+ 21729480 × 300 which equals 6518844000
+ 21729480 × 4000 what gives us 86917920000
+ 21729480 × 40000 resulting in 869179200000
+ 21729480 × 300000 that is equal 6518844000000
+ 21729480 × 8000000 which equals 173835840000000

= 181319146969800
