Alright, let's work through 71962736 times 70809302 step by step
71962736 × 70809302 = 70809302 × (71962736)
+ 70809302 × 6 what gives us 424855812
+ 70809302 × 30 that results in 2124279060
+ 70809302 × 700 producing 49566511400
+ 70809302 × 2000 that is equal 141618604000
+ 70809302 × 60000 that results in 4248558120000
+ 70809302 × 900000 yielding 63728371800000
+ 70809302 × 1000000 which equals 70809302000000
+ 70809302 × 70000000 giving us 4956651140000000

= 5095631106170272
