No problem, we've got 3974 and 4542 to multiply
3974 × 4542 = 4542 × (3974)
+ 4542 × 4 that is equal 18168
+ 4542 × 70 what gives us 317940
+ 4542 × 900 what gives us 4087800
+ 4542 × 3000 that is equal 13626000

= 18049908
