No problem, we've got 3974 and 3400 to multiply
3974 × 3400 = 3400 × (3974)
+ 3400 × 4 which equals 13600
+ 3400 × 70 that is equal 238000
+ 3400 × 900 producing 3060000
+ 3400 × 3000 that equals 10200000

= 13511600
