No problem, we've got 4520 and 4699 to multiply
4520 × 4699 = 4699 × (4520)
+ 4699 × 0 giving us 0
+ 4699 × 20 what gives us 93980
+ 4699 × 500 which equals 2349500
+ 4699 × 4000 that is equal 18796000

= 21239480
