Alright, let's work through 1720 times 268 step by step
1720 × 268 = 268 × (1720)
+ 268 × 0 that equals 0
+ 268 × 20 that is equal 5360
+ 268 × 700 that is equal 187600
+ 268 × 1000 resulting in 268000

= 460960
