No problem, we've got 3173 and 3936 to multiply
3173 × 3936 = 3936 × (3173)
+ 3936 × 3 giving us 11808
+ 3936 × 70 producing 275520
+ 3936 × 100 that is equal 393600
+ 3936 × 3000 producing 11808000

= 12488928
