No problem, we've got 7645 and 655 to multiply
7645 × 655 = 655 × (7645)
+ 655 × 5 what gives us 3275
+ 655 × 40 what gives us 26200
+ 655 × 600 giving us 393000
+ 655 × 7000 that equals 4585000

= 5007475
