No problem, we've got 9172 and 7641 to multiply
9172 × 7641 = 7641 × (9172)
+ 7641 × 2 that equals 15282
+ 7641 × 70 what gives us 534870
+ 7641 × 100 what gives us 764100
+ 7641 × 9000 producing 68769000

= 70083252
