Alright, let's work through 39300309 times 77830759 step by step
39300309 × 77830759 = 77830759 × (39300309)
+ 77830759 × 9 resulting in 700476831
+ 77830759 × 00 that equals 0
+ 77830759 × 300 that equals 23349227700
+ 77830759 × 0000 that results in 0
+ 77830759 × 00000 giving us 0
+ 77830759 × 300000 that equals 23349227700000
+ 77830759 × 9000000 that results in 700476831000000
+ 77830759 × 30000000 resulting in 2334922770000000

= 3058772878404531
