Alright, let's work through 80458101 times 26148512 step by step
80458101 × 26148512 = 26148512 × (80458101)
+ 26148512 × 1 resulting in 26148512
+ 26148512 × 00 what gives us 0
+ 26148512 × 100 what gives us 2614851200
+ 26148512 × 8000 which equals 209188096000
+ 26148512 × 50000 which equals 1307425600000
+ 26148512 × 400000 yielding 10459404800000
+ 26148512 × 0000000 that equals 0
+ 26148512 × 80000000 that equals 2091880960000000

= 2103859619495712
