Alright, let's work through 72697918 times 31148862 step by step
72697918 × 31148862 = 31148862 × (72697918)
+ 31148862 × 8 producing 249190896
+ 31148862 × 10 that is equal 311488620
+ 31148862 × 900 that is equal 28033975800
+ 31148862 × 7000 producing 218042034000
+ 31148862 × 90000 yielding 2803397580000
+ 31148862 × 600000 giving us 18689317200000
+ 31148862 × 2000000 yielding 62297724000000
+ 31148862 × 70000000 giving us 2180420340000000

= 2264457415469316
