Alright, let's work through 1722 times 6649 step by step
1722 × 6649 = 6649 × (1722)
+ 6649 × 2 which equals 13298
+ 6649 × 20 giving us 132980
+ 6649 × 700 which equals 4654300
+ 6649 × 1000 yielding 6649000

= 11449578
