No problem, we've got 3975 and 3470 to multiply
3975 × 3470 = 3470 × (3975)
+ 3470 × 5 giving us 17350
+ 3470 × 70 that is equal 242900
+ 3470 × 900 which equals 3123000
+ 3470 × 3000 producing 10410000

= 13793250
