No problem, we've got 5398 and 3145 to multiply
5398 × 3145 = 3145 × (5398)
+ 3145 × 8 that equals 25160
+ 3145 × 90 which equals 283050
+ 3145 × 300 which equals 943500
+ 3145 × 5000 which equals 15725000

= 16976710
