No problem, we've got 1671 and 1257 to multiply
1671 × 1257 = 1257 × (1671)
+ 1257 × 1 which equals 1257
+ 1257 × 70 producing 87990
+ 1257 × 600 producing 754200
+ 1257 × 1000 which equals 1257000

= 2100447
