Alright, let's work through 72661953 times 83080028 step by step
72661953 × 83080028 = 83080028 × (72661953)
+ 83080028 × 3 that results in 249240084
+ 83080028 × 50 yielding 4154001400
+ 83080028 × 900 that equals 74772025200
+ 83080028 × 1000 which equals 83080028000
+ 83080028 × 60000 which equals 4984801680000
+ 83080028 × 600000 what gives us 49848016800000
+ 83080028 × 2000000 which equals 166160056000000
+ 83080028 × 70000000 that is equal 5815601960000000

= 6036757089774684
