Alright, let's work through 18899309 times 28083042 step by step
18899309 × 28083042 = 28083042 × (18899309)
+ 28083042 × 9 yielding 252747378
+ 28083042 × 00 yielding 0
+ 28083042 × 300 which equals 8424912600
+ 28083042 × 9000 resulting in 252747378000
+ 28083042 × 90000 producing 2527473780000
+ 28083042 × 800000 that equals 22466433600000
+ 28083042 × 8000000 what gives us 224664336000000
+ 28083042 × 10000000 producing 280830420000000

= 530750088417978
