Alright, let's work through 1721 times 3574 step by step
1721 × 3574 = 3574 × (1721)
+ 3574 × 1 that equals 3574
+ 3574 × 20 producing 71480
+ 3574 × 700 yielding 2501800
+ 3574 × 1000 giving us 3574000

= 6150854
