Alright, let's work through 81615079 times 47201208 step by step
81615079 × 47201208 = 47201208 × (81615079)
+ 47201208 × 9 giving us 424810872
+ 47201208 × 70 that results in 3304084560
+ 47201208 × 000 what gives us 0
+ 47201208 × 5000 that is equal 236006040000
+ 47201208 × 10000 yielding 472012080000
+ 47201208 × 600000 that results in 28320724800000
+ 47201208 × 1000000 that is equal 47201208000000
+ 47201208 × 80000000 that equals 3776096640000000

= 3852330319815432
