Alright, let's work through 42683025 times 86768789 step by step
42683025 × 86768789 = 86768789 × (42683025)
+ 86768789 × 5 giving us 433843945
+ 86768789 × 20 what gives us 1735375780
+ 86768789 × 000 producing 0
+ 86768789 × 3000 giving us 260306367000
+ 86768789 × 80000 what gives us 6941503120000
+ 86768789 × 600000 which equals 52061273400000
+ 86768789 × 2000000 giving us 173537578000000
+ 86768789 × 40000000 that results in 3470751560000000

= 3703554390106725
