Alright, let's work through 13644726 times 96431353 step by step
13644726 × 96431353 = 96431353 × (13644726)
+ 96431353 × 6 that is equal 578588118
+ 96431353 × 20 that results in 1928627060
+ 96431353 × 700 that equals 67501947100
+ 96431353 × 4000 giving us 385725412000
+ 96431353 × 40000 which equals 3857254120000
+ 96431353 × 600000 yielding 57858811800000
+ 96431353 × 3000000 giving us 289294059000000
+ 96431353 × 10000000 that results in 964313530000000

= 1315779389494278
