No problem, we've got 4679 and 945 to multiply
4679 × 945 = 945 × (4679)
+ 945 × 9 yielding 8505
+ 945 × 70 that is equal 66150
+ 945 × 600 yielding 567000
+ 945 × 4000 which equals 3780000

= 4421655
