No problem, we've got 4647 and 521 to multiply
4647 × 521 = 521 × (4647)
+ 521 × 7 that equals 3647
+ 521 × 40 that is equal 20840
+ 521 × 600 what gives us 312600
+ 521 × 4000 what gives us 2084000

= 2421087
