Alright, let's work through 38178920 times 86766223 step by step
38178920 × 86766223 = 86766223 × (38178920)
+ 86766223 × 0 that results in 0
+ 86766223 × 20 resulting in 1735324460
+ 86766223 × 900 that equals 78089600700
+ 86766223 × 8000 that results in 694129784000
+ 86766223 × 70000 that equals 6073635610000
+ 86766223 × 100000 producing 8676622300000
+ 86766223 × 8000000 resulting in 694129784000000
+ 86766223 × 30000000 giving us 2602986690000000

= 3312640686619160
