Alright, let's work through 70648809 times 20128077 step by step
70648809 × 20128077 = 20128077 × (70648809)
+ 20128077 × 9 what gives us 181152693
+ 20128077 × 00 what gives us 0
+ 20128077 × 800 which equals 16102461600
+ 20128077 × 8000 giving us 161024616000
+ 20128077 × 40000 what gives us 805123080000
+ 20128077 × 600000 that results in 12076846200000
+ 20128077 × 0000000 that is equal 0
+ 20128077 × 70000000 that equals 1408965390000000

= 1422024667510293
