Alright, let's work through 21012674 times 14209749 step by step
21012674 × 14209749 = 14209749 × (21012674)
+ 14209749 × 4 that results in 56838996
+ 14209749 × 70 which equals 994682430
+ 14209749 × 600 that equals 8525849400
+ 14209749 × 2000 yielding 28419498000
+ 14209749 × 10000 that equals 142097490000
+ 14209749 × 000000 that is equal 0
+ 14209749 × 1000000 which equals 14209749000000
+ 14209749 × 20000000 what gives us 284194980000000

= 298584823358826
