Alright, let's work through 21360384 times 62214349 step by step
21360384 × 62214349 = 62214349 × (21360384)
+ 62214349 × 4 resulting in 248857396
+ 62214349 × 80 that results in 4977147920
+ 62214349 × 300 which equals 18664304700
+ 62214349 × 0000 that results in 0
+ 62214349 × 60000 producing 3732860940000
+ 62214349 × 300000 giving us 18664304700000
+ 62214349 × 1000000 that equals 62214349000000
+ 62214349 × 20000000 yielding 1244286980000000

= 1328922384950016
