No problem, we've got 3131 and 3994 to multiply
3131 × 3994 = 3994 × (3131)
+ 3994 × 1 which equals 3994
+ 3994 × 30 that is equal 119820
+ 3994 × 100 that is equal 399400
+ 3994 × 3000 giving us 11982000

= 12505214
