Alright, let's work through 81275270 times 50075055 step by step
81275270 × 50075055 = 50075055 × (81275270)
+ 50075055 × 0 what gives us 0
+ 50075055 × 70 giving us 3505253850
+ 50075055 × 200 that is equal 10015011000
+ 50075055 × 5000 yielding 250375275000
+ 50075055 × 70000 resulting in 3505253850000
+ 50075055 × 200000 that results in 10015011000000
+ 50075055 × 1000000 giving us 50075055000000
+ 50075055 × 80000000 producing 4006004400000000

= 4069863615389850
