We're going to solve 1547 multiplied by 6400
1547 × 6400 = 6400 × (1547)
+ 6400 × 7 that is equal 44800
+ 6400 × 40 resulting in 256000
+ 6400 × 500 giving us 3200000
+ 6400 × 1000 what gives us 6400000

= 9900800
