Alright, let's work through 21434754 times 61756252 step by step
21434754 × 61756252 = 61756252 × (21434754)
+ 61756252 × 4 giving us 247025008
+ 61756252 × 50 what gives us 3087812600
+ 61756252 × 700 what gives us 43229376400
+ 61756252 × 4000 resulting in 247025008000
+ 61756252 × 30000 that results in 1852687560000
+ 61756252 × 400000 giving us 24702500800000
+ 61756252 × 1000000 resulting in 61756252000000
+ 61756252 × 20000000 what gives us 1235125040000000

= 1323730069582008
