We're going to solve 3858 multiplied by 3430
3858 × 3430 = 3430 × (3858)
+ 3430 × 8 that equals 27440
+ 3430 × 50 giving us 171500
+ 3430 × 800 that results in 2744000
+ 3430 × 3000 that is equal 10290000

= 13232940
