No problem, we've got 4392 and 3153 to multiply
4392 × 3153 = 3153 × (4392)
+ 3153 × 2 what gives us 6306
+ 3153 × 90 that is equal 283770
+ 3153 × 300 which equals 945900
+ 3153 × 4000 that is equal 12612000

= 13847976
