No problem, we've got 4345 and 5140 to multiply
4345 × 5140 = 5140 × (4345)
+ 5140 × 5 that is equal 25700
+ 5140 × 40 what gives us 205600
+ 5140 × 300 what gives us 1542000
+ 5140 × 4000 giving us 20560000

= 22333300
