No problem, we've got 4181 and 4338 to multiply
4181 × 4338 = 4338 × (4181)
+ 4338 × 1 that equals 4338
+ 4338 × 80 that is equal 347040
+ 4338 × 100 which equals 433800
+ 4338 × 4000 that is equal 17352000

= 18137178
