Alright, let's work through 1723 times 9150 step by step
1723 × 9150 = 9150 × (1723)
+ 9150 × 3 what gives us 27450
+ 9150 × 20 producing 183000
+ 9150 × 700 that equals 6405000
+ 9150 × 1000 producing 9150000

= 15765450
