Alright, let's work through 13402805 times 80264278 step by step
13402805 × 80264278 = 80264278 × (13402805)
+ 80264278 × 5 producing 401321390
+ 80264278 × 00 what gives us 0
+ 80264278 × 800 that is equal 64211422400
+ 80264278 × 2000 giving us 160528556000
+ 80264278 × 00000 that equals 0
+ 80264278 × 400000 giving us 32105711200000
+ 80264278 × 3000000 that results in 240792834000000
+ 80264278 × 10000000 that is equal 802642780000000

= 1075766466499790
