No problem, we've got 4322 and 4779 to multiply
4322 × 4779 = 4779 × (4322)
+ 4779 × 2 that equals 9558
+ 4779 × 20 that is equal 95580
+ 4779 × 300 yielding 1433700
+ 4779 × 4000 that results in 19116000

= 20654838
