No problem, we've got 72899859 and 52296749 to multiply
72899859 × 52296749 = 52296749 × (72899859)
+ 52296749 × 9 yielding 470670741
+ 52296749 × 50 yielding 2614837450
+ 52296749 × 800 which equals 41837399200
+ 52296749 × 9000 producing 470670741000
+ 52296749 × 90000 which equals 4706707410000
+ 52296749 × 800000 which equals 41837399200000
+ 52296749 × 2000000 giving us 104593498000000
+ 52296749 × 70000000 yielding 3660772430000000

= 3812425628258391
