We're going to solve 1644 multiplied by 3268
1644 × 3268 = 3268 × (1644)
+ 3268 × 4 what gives us 13072
+ 3268 × 40 resulting in 130720
+ 3268 × 600 what gives us 1960800
+ 3268 × 1000 that equals 3268000

= 5372592
