Alright, let's work through 80790603 times 38207803 step by step
80790603 × 38207803 = 38207803 × (80790603)
+ 38207803 × 3 which equals 114623409
+ 38207803 × 00 producing 0
+ 38207803 × 600 resulting in 22924681800
+ 38207803 × 0000 that equals 0
+ 38207803 × 90000 resulting in 3438702270000
+ 38207803 × 700000 which equals 26745462100000
+ 38207803 × 0000000 resulting in 0
+ 38207803 × 80000000 what gives us 3056624240000000

= 3086831443675209
