Alright, let's work through 10807672 times 19764900 step by step
10807672 × 19764900 = 19764900 × (10807672)
+ 19764900 × 2 which equals 39529800
+ 19764900 × 70 which equals 1383543000
+ 19764900 × 600 producing 11858940000
+ 19764900 × 7000 that results in 138354300000
+ 19764900 × 00000 that equals 0
+ 19764900 × 800000 resulting in 15811920000000
+ 19764900 × 0000000 resulting in 0
+ 19764900 × 10000000 giving us 197649000000000

= 213612556312800
