Alright, let's work through 72523536 times 26831945 step by step
72523536 × 26831945 = 26831945 × (72523536)
+ 26831945 × 6 producing 160991670
+ 26831945 × 30 that is equal 804958350
+ 26831945 × 500 giving us 13415972500
+ 26831945 × 3000 that equals 80495835000
+ 26831945 × 20000 which equals 536638900000
+ 26831945 × 500000 giving us 13415972500000
+ 26831945 × 2000000 that is equal 53663890000000
+ 26831945 × 70000000 resulting in 1878236150000000

= 1945947529157520
