Alright, let's work through 1439 times 9902 step by step
1439 × 9902 = 9902 × (1439)
+ 9902 × 9 that is equal 89118
+ 9902 × 30 that is equal 297060
+ 9902 × 400 resulting in 3960800
+ 9902 × 1000 which equals 9902000

= 14248978
