We're going to solve 2147 multiplied by 1644
2147 × 1644 = 1644 × (2147)
+ 1644 × 7 giving us 11508
+ 1644 × 40 which equals 65760
+ 1644 × 100 that is equal 164400
+ 1644 × 2000 giving us 3288000

= 3529668
