Alright, let's work through 27029120 times 64515182 step by step
27029120 × 64515182 = 64515182 × (27029120)
+ 64515182 × 0 giving us 0
+ 64515182 × 20 resulting in 1290303640
+ 64515182 × 100 resulting in 6451518200
+ 64515182 × 9000 producing 580636638000
+ 64515182 × 20000 yielding 1290303640000
+ 64515182 × 000000 producing 0
+ 64515182 × 7000000 giving us 451606274000000
+ 64515182 × 20000000 what gives us 1290303640000000

= 1743788596099840
