We're going to solve 3447 multiplied by 6340
3447 × 6340 = 6340 × (3447)
+ 6340 × 7 producing 44380
+ 6340 × 40 that is equal 253600
+ 6340 × 400 that results in 2536000
+ 6340 × 3000 resulting in 19020000

= 21853980
