Alright, let's work through 80835042 times 39373698 step by step
80835042 × 39373698 = 39373698 × (80835042)
+ 39373698 × 2 which equals 78747396
+ 39373698 × 40 that results in 1574947920
+ 39373698 × 000 giving us 0
+ 39373698 × 5000 that results in 196868490000
+ 39373698 × 30000 giving us 1181210940000
+ 39373698 × 800000 giving us 31498958400000
+ 39373698 × 0000000 what gives us 0
+ 39373698 × 80000000 which equals 3149895840000000

= 3182774531525316
