Alright, let's work through 45390015 times 2680027 step by step
45390015 × 2680027 = 2680027 × (45390015)
+ 2680027 × 5 what gives us 13400135
+ 2680027 × 10 which equals 26800270
+ 2680027 × 000 that results in 0
+ 2680027 × 0000 that results in 0
+ 2680027 × 90000 what gives us 241202430000
+ 2680027 × 300000 that is equal 804008100000
+ 2680027 × 5000000 that results in 13400135000000
+ 2680027 × 40000000 resulting in 107201080000000

= 121646465730405
