Alright, let's work through 72121741 times 47065882 step by step
72121741 × 47065882 = 47065882 × (72121741)
+ 47065882 × 1 yielding 47065882
+ 47065882 × 40 producing 1882635280
+ 47065882 × 700 what gives us 32946117400
+ 47065882 × 1000 producing 47065882000
+ 47065882 × 20000 what gives us 941317640000
+ 47065882 × 100000 yielding 4706588200000
+ 47065882 × 2000000 that results in 94131764000000
+ 47065882 × 70000000 giving us 3294611740000000

= 3394473351540562
