Alright, let's work through 79815181 times 73731572 step by step
79815181 × 73731572 = 73731572 × (79815181)
+ 73731572 × 1 resulting in 73731572
+ 73731572 × 80 what gives us 5898525760
+ 73731572 × 100 resulting in 7373157200
+ 73731572 × 5000 which equals 368657860000
+ 73731572 × 10000 that is equal 737315720000
+ 73731572 × 800000 that equals 58985257600000
+ 73731572 × 9000000 producing 663584148000000
+ 73731572 × 70000000 that results in 5161210040000000

= 5884898764594532
