No problem, we've got 1931 and 6487 to multiply
1931 × 6487 = 6487 × (1931)
+ 6487 × 1 that equals 6487
+ 6487 × 30 what gives us 194610
+ 6487 × 900 resulting in 5838300
+ 6487 × 1000 that equals 6487000

= 12526397
