Let's calculate 80823504 x 56248552
80823504 × 56248552 = 56248552 × (80823504)
+ 56248552 × 4 yielding 224994208
+ 56248552 × 00 giving us 0
+ 56248552 × 500 that equals 28124276000
+ 56248552 × 3000 which equals 168745656000
+ 56248552 × 20000 that equals 1124971040000
+ 56248552 × 800000 that results in 44998841600000
+ 56248552 × 0000000 producing 0
+ 56248552 × 80000000 giving us 4499884160000000

= 4546205067566208
