Alright, let's work through 9880 times 1721 step by step
9880 × 1721 = 1721 × (9880)
+ 1721 × 0 what gives us 0
+ 1721 × 80 resulting in 137680
+ 1721 × 800 that results in 1376800
+ 1721 × 9000 resulting in 15489000

= 17003480
