No problem, we've got 72918573 and 71041105 to multiply
72918573 × 71041105 = 71041105 × (72918573)
+ 71041105 × 3 giving us 213123315
+ 71041105 × 70 what gives us 4972877350
+ 71041105 × 500 yielding 35520552500
+ 71041105 × 8000 yielding 568328840000
+ 71041105 × 10000 what gives us 710411050000
+ 71041105 × 900000 that results in 63936994500000
+ 71041105 × 2000000 giving us 142082210000000
+ 71041105 × 70000000 that equals 4972877350000000

= 5180216000943165
