Alright, let's work through 9929 times 1561 step by step
9929 × 1561 = 1561 × (9929)
+ 1561 × 9 what gives us 14049
+ 1561 × 20 that is equal 31220
+ 1561 × 900 yielding 1404900
+ 1561 × 9000 that is equal 14049000

= 15499169
