Alright, let's work through 73682682 times 66538494 step by step
73682682 × 66538494 = 66538494 × (73682682)
+ 66538494 × 2 resulting in 133076988
+ 66538494 × 80 that is equal 5323079520
+ 66538494 × 600 giving us 39923096400
+ 66538494 × 2000 what gives us 133076988000
+ 66538494 × 80000 producing 5323079520000
+ 66538494 × 600000 producing 39923096400000
+ 66538494 × 3000000 giving us 199615482000000
+ 66538494 × 70000000 which equals 4657694580000000

= 4902734694160908
