No problem, we've got 1297 and 6255 to multiply
1297 × 6255 = 6255 × (1297)
+ 6255 × 7 what gives us 43785
+ 6255 × 90 that equals 562950
+ 6255 × 200 yielding 1251000
+ 6255 × 1000 giving us 6255000

= 8112735
