Alright, let's work through 18724421 times 5720229 step by step
18724421 × 5720229 = 5720229 × (18724421)
+ 5720229 × 1 producing 5720229
+ 5720229 × 20 producing 114404580
+ 5720229 × 400 producing 2288091600
+ 5720229 × 4000 which equals 22880916000
+ 5720229 × 20000 that results in 114404580000
+ 5720229 × 700000 that is equal 4004160300000
+ 5720229 × 8000000 resulting in 45761832000000
+ 5720229 × 10000000 which equals 57202290000000

= 107107976012409
