No problem, we've got 72514773 and 73717647 to multiply
72514773 × 73717647 = 73717647 × (72514773)
+ 73717647 × 3 which equals 221152941
+ 73717647 × 70 what gives us 5160235290
+ 73717647 × 700 that results in 51602352900
+ 73717647 × 4000 producing 294870588000
+ 73717647 × 10000 producing 737176470000
+ 73717647 × 500000 producing 36858823500000
+ 73717647 × 2000000 that is equal 147435294000000
+ 73717647 × 70000000 that equals 5160235290000000

= 5345618438299131
